diff --git a/admin/package.json b/admin/package.json
index 3406c326a..521f34bfc 100644
--- a/admin/package.json
+++ b/admin/package.json
@@ -33,6 +33,7 @@
     "bootstrap": "4.3.1",
     "bootstrap-vue": "^2.21.2",
     "core-js": "^3.6.5",
+    "date-fns": "^2.29.3",
     "dotenv-webpack": "^7.0.3",
     "express": "^4.17.1",
     "graphql": "^15.6.1",
diff --git a/admin/src/components/Fedaration/FederationVisualizeItem.spec.js b/admin/src/components/Fedaration/FederationVisualizeItem.spec.js
new file mode 100644
index 000000000..6058cc6f4
--- /dev/null
+++ b/admin/src/components/Fedaration/FederationVisualizeItem.spec.js
@@ -0,0 +1,183 @@
+import { mount } from '@vue/test-utils'
+import FederationVisualizeItem from './FederationVisualizeItem.vue'
+
+const localVue = global.localVue
+const today = new Date()
+const createdDate = new Date()
+createdDate.setDate(createdDate.getDate() - 3)
+
+let propsData = {
+  item: {
+    id: 7590,
+    foreign: false,
+    publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+    url: 'http://localhost/api/2_0',
+    lastAnnouncedAt: createdDate,
+    verifiedAt: today,
+    lastErrorAt: null,
+    createdAt: createdDate,
+    updatedAt: null,
+  },
+}
+
+const mocks = {
+  $i18n: {
+    locale: 'en',
+  },
+}
+
+describe('FederationVisualizeItem', () => {
+  let wrapper
+
+  const Wrapper = () => {
+    return mount(FederationVisualizeItem, { localVue, mocks, propsData })
+  }
+
+  describe('mount', () => {
+    beforeEach(() => {
+      wrapper = Wrapper()
+    })
+
+    it('renders the component', () => {
+      expect(wrapper.find('div.federation-visualize-item').exists()).toBe(true)
+    })
+
+    describe('rendering item properties', () => {
+      it('has the url', () => {
+        expect(wrapper.find('.row > div:nth-child(2) > div').text()).toBe(
+          'http://localhost/api/2_0',
+        )
+      })
+
+      it('has the public key', () => {
+        expect(wrapper.find('.row > div:nth-child(2) > small').text()).toContain(
+          'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7'.substring(0, 26),
+        )
+      })
+
+      describe('verified item', () => {
+        it('has the check icon', () => {
+          expect(wrapper.find('svg.bi-check').exists()).toBe(true)
+        })
+
+        it('has the text variant "success"', () => {
+          expect(wrapper.find('.text-success').exists()).toBe(true)
+        })
+      })
+
+      describe('not verified item', () => {
+        beforeEach(() => {
+          propsData = {
+            item: {
+              id: 7590,
+              foreign: false,
+              publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+              url: 'http://localhost/api/2_0',
+              lastAnnouncedAt: createdDate,
+              verifiedAt: null,
+              lastErrorAt: null,
+              createdAt: createdDate,
+              updatedAt: null,
+            },
+          }
+          wrapper = Wrapper()
+        })
+
+        it('has the x-circle icon', () => {
+          expect(wrapper.find('svg.bi-x-circle').exists()).toBe(true)
+        })
+
+        it('has the text variant "danger"', () => {
+          expect(wrapper.find('.text-danger').exists()).toBe(true)
+        })
+      })
+
+      // describe('with different locales (de, en, fr, es, nl)', () => {
+      describe('lastAnnouncedAt', () => {
+        it('computes the time string for different locales (de, en, fr, es, nl)', () => {
+          wrapper.vm.$i18n.locale = 'de'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('vor 3 Tagen')
+
+          wrapper.vm.$i18n.locale = 'fr'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('il y a 3 jours')
+
+          wrapper.vm.$i18n.locale = 'es'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('hace 3 días')
+
+          wrapper.vm.$i18n.locale = 'nl'
+          wrapper = Wrapper()
+          expect(wrapper.vm.lastAnnouncedAt).toBe('3 dagen geleden')
+        })
+
+        describe('lastAnnouncedAt == null', () => {
+          beforeEach(() => {
+            propsData = {
+              item: {
+                id: 7590,
+                foreign: false,
+                publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+                url: 'http://localhost/api/2_0',
+                lastAnnouncedAt: null,
+                verifiedAt: null,
+                lastErrorAt: null,
+                createdAt: createdDate,
+                updatedAt: null,
+              },
+            }
+            wrapper = Wrapper()
+          })
+
+          it('computes empty string', async () => {
+            expect(wrapper.vm.lastAnnouncedAt).toBe('')
+          })
+        })
+      })
+
+      describe('createdAt', () => {
+        it('computes the time string for different locales (de, en, fr, es, nl)', () => {
+          wrapper.vm.$i18n.locale = 'de'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('vor 3 Tagen')
+
+          wrapper.vm.$i18n.locale = 'fr'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('il y a 3 jours')
+
+          wrapper.vm.$i18n.locale = 'es'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('hace 3 días')
+
+          wrapper.vm.$i18n.locale = 'nl'
+          wrapper = Wrapper()
+          expect(wrapper.vm.createdAt).toBe('3 dagen geleden')
+        })
+
+        describe('createdAt == null', () => {
+          beforeEach(() => {
+            propsData = {
+              item: {
+                id: 7590,
+                foreign: false,
+                publicKey: 'eaf6a426b24fd54f8fbae11c17700fc595080ca25159579c63d38dbc64284ba7',
+                url: 'http://localhost/api/2_0',
+                lastAnnouncedAt: createdDate,
+                verifiedAt: null,
+                lastErrorAt: null,
+                createdAt: null,
+                updatedAt: null,
+              },
+            }
+            wrapper = Wrapper()
+          })
+
+          it('computes empty string', async () => {
+            expect(wrapper.vm.createdAt).toBe('')
+          })
+        })
+      })
+    })
+  })
+})
diff --git a/admin/src/components/Fedaration/FederationVisualizeItem.vue b/admin/src/components/Fedaration/FederationVisualizeItem.vue
new file mode 100644
index 000000000..faace7da1
--- /dev/null
+++ b/admin/src/components/Fedaration/FederationVisualizeItem.vue
@@ -0,0 +1,63 @@
+<template>
+  <div class="federation-visualize-item">
+    <b-row>
+      <b-col cols="1"><b-icon :icon="icon" :variant="variant" class="mr-4"></b-icon></b-col>
+      <b-col>
+        <div>{{ item.url }}</div>
+        <small>{{ `${item.publicKey.substring(0, 26)}…` }}</small>
+      </b-col>
+      <b-col cols="2">{{ lastAnnouncedAt }}</b-col>
+      <b-col cols="2">{{ createdAt }}</b-col>
+    </b-row>
+  </div>
+</template>
+<script>
+import { formatDistanceToNow } from 'date-fns'
+import { de, en, fr, es, nl } from 'date-fns/locale'
+
+const locales = { en, de, es, fr, nl }
+
+export default {
+  name: 'FederationVisualizeItem',
+  props: {
+    item: { type: Object },
+  },
+  data() {
+    return {
+      formatDistanceToNow,
+      locale: this.$i18n.locale,
+    }
+  },
+  computed: {
+    verified() {
+      return new Date(this.item.verifiedAt) >= new Date(this.item.lastAnnouncedAt)
+    },
+    icon() {
+      return this.verified ? 'check' : 'x-circle'
+    },
+    variant() {
+      return this.verified ? 'success' : 'danger'
+    },
+    lastAnnouncedAt() {
+      if (this.item.lastAnnouncedAt) {
+        return formatDistanceToNow(new Date(this.item.lastAnnouncedAt), {
+          includeSecond: true,
+          addSuffix: true,
+          locale: locales[this.locale],
+        })
+      }
+      return ''
+    },
+    createdAt() {
+      if (this.item.createdAt) {
+        return formatDistanceToNow(new Date(this.item.createdAt), {
+          includeSecond: true,
+          addSuffix: true,
+          locale: locales[this.locale],
+        })
+      }
+      return ''
+    },
+  },
+}
+</script>
diff --git a/admin/src/components/NavBar.spec.js b/admin/src/components/NavBar.spec.js
index 1927f258c..6a4a69959 100644
--- a/admin/src/components/NavBar.spec.js
+++ b/admin/src/components/NavBar.spec.js
@@ -62,8 +62,12 @@ describe('NavBar', () => {
       )
     })
 
+    it('has a link to /federation', () => {
+      expect(wrapper.findAll('.nav-item').at(3).find('a').attributes('href')).toBe('/federation')
+    })
+
     it('has a link to /statistic', () => {
-      expect(wrapper.findAll('.nav-item').at(3).find('a').attributes('href')).toBe('/statistic')
+      expect(wrapper.findAll('.nav-item').at(4).find('a').attributes('href')).toBe('/statistic')
     })
   })
 
@@ -72,7 +76,7 @@ describe('NavBar', () => {
     beforeEach(async () => {
       delete window.location
       window.location = ''
-      await wrapper.findAll('.nav-item').at(4).find('a').trigger('click')
+      await wrapper.findAll('.nav-item').at(5).find('a').trigger('click')
     })
 
     afterEach(() => {
@@ -97,7 +101,7 @@ describe('NavBar', () => {
       window.location = {
         assign: windowLocationMock,
       }
-      await wrapper.findAll('.nav-item').at(5).find('a').trigger('click')
+      await wrapper.findAll('.nav-item').at(6).find('a').trigger('click')
     })
 
     afterEach(() => {
diff --git a/admin/src/components/NavBar.vue b/admin/src/components/NavBar.vue
index dae4bba91..2efeda048 100644
--- a/admin/src/components/NavBar.vue
+++ b/admin/src/components/NavBar.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="component-nabvar">
-    <b-navbar toggleable="md" type="dark" variant="success">
+    <b-navbar toggleable="lg" type="dark" class="bg-dark">
       <b-navbar-brand class="mb-2" to="/">
         <img src="img/brand/gradido_logo_w.png" class="navbar-brand-img pl-2" alt="..." />
       </b-navbar-brand>
@@ -19,6 +19,9 @@
           <b-nav-item to="/contribution-links">
             {{ $t('navbar.automaticContributions') }}
           </b-nav-item>
+          <b-nav-item to="/federation">
+            {{ $t('navbar.instances') }}
+          </b-nav-item>
           <b-nav-item to="/statistic">{{ $t('navbar.statistic') }}</b-nav-item>
           <b-nav-item @click="wallet">{{ $t('navbar.my-account') }}</b-nav-item>
           <b-nav-item @click="logout">{{ $t('navbar.logout') }}</b-nav-item>
diff --git a/admin/src/graphql/getCommunities.js b/admin/src/graphql/getCommunities.js
new file mode 100644
index 000000000..ccf894f6b
--- /dev/null
+++ b/admin/src/graphql/getCommunities.js
@@ -0,0 +1,17 @@
+import gql from 'graphql-tag'
+
+export const getCommunities = gql`
+  query {
+    getCommunities {
+      id
+      foreign
+      publicKey
+      url
+      lastAnnouncedAt
+      verifiedAt
+      lastErrorAt
+      createdAt
+      updatedAt
+    }
+  }
+`
diff --git a/admin/src/locales/de.json b/admin/src/locales/de.json
index f98dc90f3..e7fb80062 100644
--- a/admin/src/locales/de.json
+++ b/admin/src/locales/de.json
@@ -68,6 +68,13 @@
   "error": "Fehler",
   "expired": "abgelaufen",
   "e_mail": "E-Mail",
+  "federation": {
+    "createdAt": "Erstellt am",
+    "gradidoInstances": "Gradido Instanzen",
+    "lastAnnouncedAt": "letzte Bekanntgabe",
+    "url": "Url",
+    "verified": "Verifiziert"
+  },
   "firstname": "Vorname",
   "footer": {
     "app_version": "App version {version}",
@@ -105,6 +112,7 @@
   "name": "Name",
   "navbar": {
     "automaticContributions": "Automatische Beiträge",
+    "instances": "Instanzen",
     "logout": "Abmelden",
     "my-account": "Mein Konto",
     "statistic": "Statistik",
diff --git a/admin/src/locales/en.json b/admin/src/locales/en.json
index 358c62a15..8ed53cd4b 100644
--- a/admin/src/locales/en.json
+++ b/admin/src/locales/en.json
@@ -68,6 +68,13 @@
   "error": "Error",
   "expired": "expired",
   "e_mail": "E-mail",
+  "federation": {
+    "createdAt": "Created At ",
+    "gradidoInstances": "Gradido Instances",
+    "lastAnnouncedAt": "Last Announced",
+    "url": "Url",
+    "verified": "Verified"
+  },
   "firstname": "Firstname",
   "footer": {
     "app_version": "App version {version}",
@@ -105,6 +112,7 @@
   "name": "Name",
   "navbar": {
     "automaticContributions": "Automatic Contributions",
+    "instances": "Instances",
     "logout": "Logout",
     "my-account": "My Account",
     "statistic": "Statistic",
diff --git a/admin/src/pages/FederationVisualize.spec.js b/admin/src/pages/FederationVisualize.spec.js
new file mode 100644
index 000000000..67d6dffde
--- /dev/null
+++ b/admin/src/pages/FederationVisualize.spec.js
@@ -0,0 +1,125 @@
+import { mount } from '@vue/test-utils'
+import FederationVisualize from './FederationVisualize'
+import VueApollo from 'vue-apollo'
+import { createMockClient } from 'mock-apollo-client'
+import { getCommunities } from '@/graphql/getCommunities'
+import { toastErrorSpy } from '../../test/testSetup'
+
+const mockClient = createMockClient()
+const apolloProvider = new VueApollo({
+  defaultClient: mockClient,
+})
+
+const localVue = global.localVue
+
+localVue.use(VueApollo)
+
+const mocks = {
+  $t: (key) => key,
+  $d: jest.fn((d) => d),
+  $i18n: {
+    locale: 'en',
+    t: (key) => key,
+  },
+}
+
+const defaultData = () => {
+  return {
+    getCommunities: [
+      {
+        id: 1776,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/2_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.037Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.254Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1775,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/1_1',
+        lastAnnouncedAt: '2023-04-07T12:27:24.023Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.234Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1774,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/1_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.009Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.218Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+    ],
+  }
+}
+
+describe('FederationVisualize', () => {
+  let wrapper
+  const getCommunitiesMock = jest.fn()
+
+  mockClient.setRequestHandler(
+    getCommunities,
+    getCommunitiesMock
+      .mockRejectedValueOnce({ message: 'Ouch!' })
+      .mockResolvedValue({ data: defaultData() }),
+  )
+
+  const Wrapper = () => {
+    return mount(FederationVisualize, { localVue, mocks, apolloProvider })
+  }
+
+  describe('mount', () => {
+    beforeEach(() => {
+      jest.clearAllMocks()
+      wrapper = Wrapper()
+    })
+
+    describe('server error', () => {
+      it('toast error', () => {
+        expect(toastErrorSpy).toBeCalledWith('Ouch!')
+      })
+    })
+
+    describe('sever success', () => {
+      it('sends query to Apollo when created', () => {
+        expect(getCommunitiesMock).toBeCalled()
+      })
+
+      it('has a DIV element with the class "federation-visualize"', () => {
+        expect(wrapper.find('div.federation-visualize').exists()).toBe(true)
+      })
+
+      it('has a refresh button', () => {
+        expect(wrapper.find('[data-test="federation-communities-refresh-btn"]').exists()).toBe(true)
+      })
+
+      it('renders 3 community list items', () => {
+        expect(wrapper.findAll('.list-group-item').length).toBe(3)
+      })
+
+      describe('cklicking the refresh button', () => {
+        beforeEach(async () => {
+          jest.clearAllMocks()
+          await wrapper.find('[data-test="federation-communities-refresh-btn"]').trigger('click')
+        })
+
+        it('calls the API', async () => {
+          expect(getCommunitiesMock).toBeCalled()
+        })
+      })
+    })
+  })
+})
diff --git a/admin/src/pages/FederationVisualize.vue b/admin/src/pages/FederationVisualize.vue
new file mode 100644
index 000000000..383cf064d
--- /dev/null
+++ b/admin/src/pages/FederationVisualize.vue
@@ -0,0 +1,69 @@
+<template>
+  <div class="federation-visualize">
+    <div class="d-flex justify-content-between align-items-center mb-3">
+      <span class="h2">{{ $t('federation.gradidoInstances') }}</span>
+      <b-button>
+        <b-icon
+          icon="arrow-clockwise"
+          font-scale="2"
+          :animation="animation"
+          @click="$apollo.queries.GetCommunities.refresh()"
+          data-test="federation-communities-refresh-btn"
+        ></b-icon>
+      </b-button>
+    </div>
+    <b-list-group>
+      <b-row>
+        <b-col cols="1" class="ml-1">{{ $t('federation.verified') }}</b-col>
+        <b-col class="ml-3">{{ $t('federation.url') }}</b-col>
+        <b-col cols="2">{{ $t('federation.lastAnnouncedAt') }}</b-col>
+        <b-col cols="2">{{ $t('federation.createdAt') }}</b-col>
+      </b-row>
+      <b-list-group-item
+        v-for="item in communities"
+        :key="item.id"
+        :variant="!item.foreign ? 'primary' : 'warning'"
+      >
+        <federation-visualize-item :item="item" />
+      </b-list-group-item>
+    </b-list-group>
+  </div>
+</template>
+<script>
+import { getCommunities } from '@/graphql/getCommunities'
+
+import FederationVisualizeItem from '../components/Fedaration/FederationVisualizeItem.vue'
+
+export default {
+  name: 'FederationVisualize',
+  components: {
+    FederationVisualizeItem,
+  },
+  data() {
+    return {
+      oldPublicKey: '',
+      communities: [],
+      icon: '',
+    }
+  },
+  computed: {
+    animation() {
+      return this.$apollo.queries.GetCommunities.loading ? 'spin' : ''
+    },
+  },
+  apollo: {
+    GetCommunities: {
+      fetchPolicy: 'network-only',
+      query() {
+        return getCommunities
+      },
+      update({ getCommunities }) {
+        this.communities = getCommunities
+      },
+      error({ message }) {
+        this.toastError(message)
+      },
+    },
+  },
+}
+</script>
diff --git a/admin/src/router/router.test.js b/admin/src/router/router.test.js
index ad1ad1245..886d4eeab 100644
--- a/admin/src/router/router.test.js
+++ b/admin/src/router/router.test.js
@@ -45,7 +45,7 @@ describe('router', () => {
 
     describe('routes', () => {
       it('has nine routes defined', () => {
-        expect(routes).toHaveLength(8)
+        expect(routes).toHaveLength(9)
       })
 
       it('has "/overview" as default', async () => {
@@ -88,6 +88,13 @@ describe('router', () => {
         })
       })
 
+      describe('federation', () => {
+        it('loads the "FederationVisualize" page', async () => {
+          const component = await routes.find((r) => r.path === '/federation').component()
+          expect(component.default.name).toBe('FederationVisualize')
+        })
+      })
+
       describe('not found page', () => {
         it('renders the "NotFound" component', async () => {
           const component = await routes.find((r) => r.path === '*').component()
diff --git a/admin/src/router/routes.js b/admin/src/router/routes.js
index b01466cfc..d26fdfd96 100644
--- a/admin/src/router/routes.js
+++ b/admin/src/router/routes.js
@@ -31,6 +31,10 @@ const routes = [
     path: '*',
     component: () => import('@/components/NotFoundPage.vue'),
   },
+  {
+    path: '/federation',
+    component: () => import('@/pages/FederationVisualize.vue'),
+  },
 ]
 
 export default routes
diff --git a/admin/yarn.lock b/admin/yarn.lock
index ee4d635a6..c270b80bf 100644
--- a/admin/yarn.lock
+++ b/admin/yarn.lock
@@ -5038,6 +5038,11 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
+date-fns@^2.29.3:
+  version "2.29.3"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.29.3.tgz#27402d2fc67eb442b511b70bbdf98e6411cd68a8"
+  integrity sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA==
+
 de-indent@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
diff --git a/backend/src/graphql/model/Community.ts b/backend/src/graphql/model/Community.ts
index 22b2b1fc6..d79d40034 100644
--- a/backend/src/graphql/model/Community.ts
+++ b/backend/src/graphql/model/Community.ts
@@ -8,9 +8,7 @@ export class Community {
     this.foreign = dbCom.foreign
     this.publicKey = dbCom.publicKey.toString()
     this.url =
-      (dbCom.endPoint.endsWith('/') ? dbCom.endPoint : dbCom.endPoint + '/') +
-      'api/' +
-      dbCom.apiVersion
+      (dbCom.endPoint.endsWith('/') ? dbCom.endPoint : dbCom.endPoint + '/') + dbCom.apiVersion
     this.lastAnnouncedAt = dbCom.lastAnnouncedAt
     this.verifiedAt = dbCom.verifiedAt
     this.lastErrorAt = dbCom.lastErrorAt
diff --git a/backend/src/graphql/resolver/CommunityResolver.test.ts b/backend/src/graphql/resolver/CommunityResolver.test.ts
index 5b4b26cad..26f4a3390 100644
--- a/backend/src/graphql/resolver/CommunityResolver.test.ts
+++ b/backend/src/graphql/resolver/CommunityResolver.test.ts
@@ -36,6 +36,7 @@ describe('CommunityResolver', () => {
     let foreignCom1: DbCommunity
     let foreignCom2: DbCommunity
     let foreignCom3: DbCommunity
+
     describe('with empty list', () => {
       it('returns no community entry', async () => {
         // const result: Community[] = await query({ query: getCommunities })
@@ -56,7 +57,7 @@ describe('CommunityResolver', () => {
         homeCom1.foreign = false
         homeCom1.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom1.apiVersion = '1_0'
-        homeCom1.endPoint = 'http://localhost'
+        homeCom1.endPoint = 'http://localhost/api'
         homeCom1.createdAt = new Date()
         await DbCommunity.insert(homeCom1)
 
@@ -64,7 +65,7 @@ describe('CommunityResolver', () => {
         homeCom2.foreign = false
         homeCom2.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom2.apiVersion = '1_1'
-        homeCom2.endPoint = 'http://localhost'
+        homeCom2.endPoint = 'http://localhost/api'
         homeCom2.createdAt = new Date()
         await DbCommunity.insert(homeCom2)
 
@@ -72,24 +73,24 @@ describe('CommunityResolver', () => {
         homeCom3.foreign = false
         homeCom3.publicKey = Buffer.from('publicKey-HomeCommunity')
         homeCom3.apiVersion = '2_0'
-        homeCom3.endPoint = 'http://localhost'
+        homeCom3.endPoint = 'http://localhost/api'
         homeCom3.createdAt = new Date()
         await DbCommunity.insert(homeCom3)
       })
 
-      it('returns three home-community entries', async () => {
+      it('returns 3 home-community entries', async () => {
         await expect(query({ query: getCommunities })).resolves.toMatchObject({
           data: {
             getCommunities: [
               {
-                id: 1,
-                foreign: homeCom1.foreign,
+                id: 3,
+                foreign: homeCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/1_0'),
+                url: expect.stringMatching('http://localhost/api/2_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom1.createdAt.toISOString(),
+                createdAt: homeCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -104,14 +105,14 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 3,
-                foreign: homeCom3.foreign,
+                id: 1,
+                foreign: homeCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/2_0'),
+                url: expect.stringMatching('http://localhost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom3.createdAt.toISOString(),
+                createdAt: homeCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
             ],
@@ -128,7 +129,7 @@ describe('CommunityResolver', () => {
         foreignCom1.foreign = true
         foreignCom1.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom1.apiVersion = '1_0'
-        foreignCom1.endPoint = 'http://remotehost'
+        foreignCom1.endPoint = 'http://remotehost/api'
         foreignCom1.createdAt = new Date()
         await DbCommunity.insert(foreignCom1)
 
@@ -136,7 +137,7 @@ describe('CommunityResolver', () => {
         foreignCom2.foreign = true
         foreignCom2.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom2.apiVersion = '1_1'
-        foreignCom2.endPoint = 'http://remotehost'
+        foreignCom2.endPoint = 'http://remotehost/api'
         foreignCom2.createdAt = new Date()
         await DbCommunity.insert(foreignCom2)
 
@@ -144,24 +145,24 @@ describe('CommunityResolver', () => {
         foreignCom3.foreign = true
         foreignCom3.publicKey = Buffer.from('publicKey-ForeignCommunity')
         foreignCom3.apiVersion = '1_2'
-        foreignCom3.endPoint = 'http://remotehost'
+        foreignCom3.endPoint = 'http://remotehost/api'
         foreignCom3.createdAt = new Date()
         await DbCommunity.insert(foreignCom3)
       })
 
-      it('returns 3x home and 3x foreign-community entries', async () => {
+      it('returns 3 home community and 3 foreign community entries', async () => {
         await expect(query({ query: getCommunities })).resolves.toMatchObject({
           data: {
             getCommunities: [
               {
-                id: 1,
-                foreign: homeCom1.foreign,
+                id: 3,
+                foreign: homeCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/1_0'),
+                url: expect.stringMatching('http://localhost/api/2_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom1.createdAt.toISOString(),
+                createdAt: homeCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -176,25 +177,25 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 3,
-                foreign: homeCom3.foreign,
+                id: 1,
+                foreign: homeCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-HomeCommunity'),
-                url: expect.stringMatching('http://localhost/api/2_0'),
+                url: expect.stringMatching('http://localhost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: homeCom3.createdAt.toISOString(),
+                createdAt: homeCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
-                id: 4,
-                foreign: foreignCom1.foreign,
+                id: 6,
+                foreign: foreignCom3.foreign,
                 publicKey: expect.stringMatching('publicKey-ForeignCommunity'),
-                url: expect.stringMatching('http://remotehost/api/1_0'),
+                url: expect.stringMatching('http://remotehost/api/1_2'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: foreignCom1.createdAt.toISOString(),
+                createdAt: foreignCom3.createdAt.toISOString(),
                 updatedAt: null,
               },
               {
@@ -209,14 +210,14 @@ describe('CommunityResolver', () => {
                 updatedAt: null,
               },
               {
-                id: 6,
-                foreign: foreignCom3.foreign,
+                id: 4,
+                foreign: foreignCom1.foreign,
                 publicKey: expect.stringMatching('publicKey-ForeignCommunity'),
-                url: expect.stringMatching('http://remotehost/api/1_2'),
+                url: expect.stringMatching('http://remotehost/api/1_0'),
                 lastAnnouncedAt: null,
                 verifiedAt: null,
                 lastErrorAt: null,
-                createdAt: foreignCom3.createdAt.toISOString(),
+                createdAt: foreignCom1.createdAt.toISOString(),
                 updatedAt: null,
               },
             ],
diff --git a/backend/src/graphql/resolver/CommunityResolver.ts b/backend/src/graphql/resolver/CommunityResolver.ts
index 86e55ad1f..19a499a9b 100644
--- a/backend/src/graphql/resolver/CommunityResolver.ts
+++ b/backend/src/graphql/resolver/CommunityResolver.ts
@@ -11,7 +11,11 @@ export class CommunityResolver {
   @Query(() => [Community])
   async getCommunities(): Promise<Community[]> {
     const dbCommunities: DbCommunity[] = await DbCommunity.find({
-      order: { foreign: 'ASC', publicKey: 'ASC', apiVersion: 'ASC' },
+      order: {
+        foreign: 'ASC',
+        createdAt: 'DESC',
+        lastAnnouncedAt: 'DESC',
+      },
     })
     return dbCommunities.map((dbCom: DbCommunity) => new Community(dbCom))
   }
diff --git a/deployment/bare_metal/.env.dist b/deployment/bare_metal/.env.dist
index da745d705..f20a8c2d1 100644
--- a/deployment/bare_metal/.env.dist
+++ b/deployment/bare_metal/.env.dist
@@ -58,7 +58,8 @@ WEBHOOK_ELOPAGE_SECRET=secret
 
 # Federation
 FEDERATION_DHT_CONFIG_VERSION=v2.2023-02-07
-# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen on an hash created from this topic
+# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen 
+# on an hash created from this topic
 # FEDERATION_DHT_TOPIC=GRADIDO_HUB
 # FEDERATION_DHT_SEED=64ebcb0e3ad547848fef4197c6e2332f
 FEDERATION_COMMUNITY_URL=http://stage1.gradido.net
diff --git a/dht-node/.env.template b/dht-node/.env.template
index 243bfc60f..efe6158a6 100644
--- a/dht-node/.env.template
+++ b/dht-node/.env.template
@@ -9,6 +9,9 @@ DB_DATABASE=gradido_community
 TYPEORM_LOGGING_RELATIVE_PATH=$TYPEORM_LOGGING_RELATIVE_PATH
 
 # Federation
+FEDERATION_DHT_CONFIG_VERSION=$FEDERATION_DHT_CONFIG_VERSION
+# if you set the value of FEDERATION_DHT_TOPIC, the DHT hyperswarm will start to announce and listen 
+# on an hash created from this topic
 FEDERATION_DHT_TOPIC=$FEDERATION_DHT_TOPIC
 FEDERATION_DHT_SEED=$FEDERATION_DHT_SEED
 FEDERATION_COMMUNITY_URL=$FEDERATION_COMMUNITY_URL
diff --git a/e2e-tests/yarn.lock b/e2e-tests/yarn.lock
index c0f623e47..1fffb6870 100644
--- a/e2e-tests/yarn.lock
+++ b/e2e-tests/yarn.lock
@@ -2193,10 +2193,10 @@ crypto-browserify@^3.0.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
-cypress@^10.4.0:
-  version "10.8.0"
-  resolved "https://registry.yarnpkg.com/cypress/-/cypress-10.8.0.tgz#12a681f2642b6f13d636bab65d5b71abdb1497a5"
-  integrity sha512-QVse0dnLm018hgti2enKMVZR9qbIO488YGX06nH5j3Dg1isL38DwrBtyrax02CANU6y8F4EJUuyW6HJKw1jsFA==
+cypress@^12.7.0:
+  version "12.8.1"
+  resolved "https://registry.yarnpkg.com/cypress/-/cypress-12.8.1.tgz#0c6e67f34554d553138697aaf349b637d80004eb"
+  integrity sha512-lIFbKdaSYAOarNLHNFa2aPZu6YSF+8UY4VRXMxJrFUnk6RvfG0AWsZ7/qle/aIz30TNUD4aOihz2ZgS4vuQVSA==
   dependencies:
     "@cypress/request" "^2.88.10"
     "@cypress/xvfb" "^1.2.4"
@@ -2215,7 +2215,7 @@ cypress@^10.4.0:
     commander "^5.1.0"
     common-tags "^1.8.0"
     dayjs "^1.10.4"
-    debug "^4.3.2"
+    debug "^4.3.4"
     enquirer "^2.3.6"
     eventemitter2 "6.4.7"
     execa "4.1.0"
diff --git a/federation/.env.template b/federation/.env.template
index 5713a7f3f..295c3c480 100644
--- a/federation/.env.template
+++ b/federation/.env.template
@@ -13,3 +13,6 @@ DB_DATABASE=gradido_community
 
 # Federation
 FEDERATION_COMMUNITY_URL=$FEDERATION_COMMUNITY_URL
+FEDERATION_CONFIG_VERSION=$FEDERATION_CONFIG_VERSION
+# comma separated list of api-versions, which cause starting several federation modules
+FEDERATION_COMMUNITY_APIS=$FEDERATION_COMMUNITY_APIS
\ No newline at end of file