WHOIS-Abfrage

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Finden Sie heraus, wer eine Domain oder IP-Adresse registriert hat: Registrar, Erstellungs- und Ablaufdatum, Nameserver, Statuscodes und Abuse-Kontakte – direkt aus der Registry.

Beispiele: wikipedia.org, github.com, bbc.co.uk, 1.1.1.1

2620:0:861:ed1a::1

DIRECT ALLOCATION

Netzwerkname

WIKIMEDIA6

Organisation

Wikimedia Foundation Inc.

Bereich

2620:0:860:: – 2620:0:863:ffff:ffff:ffff:ffff:ffff

CIDR

2620:0:860::/46

Land

—

Handle

NET6-2620-860-1

Registriert am

2 Okt 2007

Abuse-Kontakt

abuse@wikimedia.org

Datenquelle

https://rdap.arin.net/registry/

Geografisch orten Reverse DNS

Rohe RDAP-Antwort anzeigen

{
  "arin_originas0_originautnums": [],
  "cidr0_cidrs": [
    {
      "v6prefix": "2620:0:860::",
      "length": 46
    }
  ],
  "endAddress": "2620:0:863:ffff:ffff:ffff:ffff:ffff",
  "entities": [
    {
      "entities": [
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-04-09T06:53:49-04:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2014-01-29T11:04:27-05:00"
            }
          ],
          "handle": "WIKIM-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/WIKIM-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            },
            {
              "href": "https://whois.arin.net/rest/poc/WIKIM-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "administrative",
            "noc"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "1 Sansome Street Suite 1895\nSan Francisco\nCA\n94104\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Wikimedia NOC"
              ],
              [
                "org",
                {},
                "text",
                "Wikimedia Foundation, Inc."
              ],
              [
                "kind",
                {},
                "text",
                "group"
              ],
              [
                "email",
                {},
                "text",
                "noc@wikimedia.org"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-415-839-6885"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-03-29T03:24:02-04:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2017-04-25T09:50:11-04:00"
            }
          ],
          "handle": "YOUNS-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/YOUNS-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            },
            {
              "href": "https://whois.arin.net/rest/poc/YOUNS-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "technical"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "1 Montgomery Street\nSuite 1600\nSan Francisco\nCA\n94104\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Arzhel Younsi"
              ],
              [
                "n",
                {},
                "text",
                [
                  "Younsi",
                  "Arzhel",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ],
              [
                "email",
                {},
                "text",
                "ayounsi@wikimedia.org"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-415-839-6885"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2023-12-19T05:21:36-05:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2006-05-24T14:12:07-04:00"
            }
          ],
          "handle": "MBE96-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/MBE96-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            },
            {
              "href": "https://whois.arin.net/rest/poc/MBE96-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "remarks": [
            {
              "description": [
                "ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-12-17"
              ],
              "title": "Unvalidated POC"
            }
          ],
          "roles": [
            "technical"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "1 Montgomery Street\nSuite 1600\nSan Francisco\nCA\n94104\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Mark Bergsma"
              ],
              [
                "n",
                {},
                "text",
                [
                  "Bergsma",
                  "Mark",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ],
              [
                "email",
                {},
                "text",
                "mark@wikimedia.org"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-415-839-6885;ext622"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-02-06T07:28:50-05:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2014-01-29T11:02:46-05:00"
            }
          ],
          "handle": "WNA11-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/WNA11-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            },
            {
              "href": "https://whois.arin.net/rest/poc/WNA11-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "abuse"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "1 Sansome Street Suite 1895\nSan Francisco\nCA\n94104\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Wikimedia Network Abuse"
              ],
              [
                "org",
                {},
                "text",
                "Wikimedia Foundation, Inc."
              ],
              [
                "kind",
                {},
                "text",
                "group"
              ],
              [
                "email",
                {},
                "text",
                "abuse@wikimedia.org"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-415-839-6885"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-02-06T07:28:28-05:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2021-08-06T06:06:09-04:00"
            }
          ],
          "handle": "MOONE85-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/MOONE85-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            },
            {
              "href": "https://whois.arin.net/rest/poc/MOONE85-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "technical"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "1 Sansome Street Suite 1895\nSan Francisco\nCA\n94104\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Cathal Mooney"
              ],
              [
                "n",
                {},
                "text",
                [
                  "Mooney",
                  "Cathal",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ],
              [
                "email",
                {},
                "text",
                "cmooney@wikimedia.org"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-415-839-6885"
              ]
            ]
          ]
        }
      ],
      "events": [
        {
          "eventAction": "last changed",
          "eventDate": "2025-02-06T13:14:18-05:00"
        },
        {
          "eventAction": "registration",
          "eventDate": "2006-05-30T14:12:34-04:00"
        }
      ],
      "handle": "WIKIM",
      "links": [
        {
          "href": "https://rdap.arin.net/registry/entity/WIKIM",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
        },
        {
          "href": "https://whois.arin.net/rest/org/WIKIM",
          "rel": "alternate",
          "type": "application/xml",
          "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
        }
      ],
      "objectClassName": "entity",
      "port43": "whois.arin.net",
      "roles": [
        "registrant"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "Wikimedia Foundation Inc."
          ],
          [
            "adr",
            {
              "label": "1 Sansome Street\nSuite 1895\nSan Francisco\nCA\n94104\nUnited States"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "kind",
            {},
            "text",
            "org"
          ]
        ]
      ]
    }
  ],
  "events": [
    {
      "eventAction": "last changed",
      "eventDate": "2021-12-14T20:28:29-05:00"
    },
    {
      "eventAction": "registration",
      "eventDate": "2007-10-02T14:12:20-04:00"
    }
  ],
  "handle": "NET6-2620-860-1",
  "ipVersion": "v6",
  "links": [
    {
      "href": "https://rdap.arin.net/registry/ip/2620:0:860::",
      "rel": "self",
      "type": "application/rdap+json",
      "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
    },
    {
      "href": "https://whois.arin.net/rest/net/NET6-2620-860-1",
      "rel": "alternate",
      "type": "application/xml",
      "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
    }
  ],
  "name": "WIKIMEDIA6",
  "notices": [
    {
      "description": [
        "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
      ],
      "links": [
        {
          "href": "https://www.arin.net/resources/registry/whois/tou/",
          "rel": "terms-of-service",
          "type": "text/html",
          "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
        }
      ],
      "title": "Terms of Service"
    },
    {
      "description": [
        "If you see inaccuracies in the results, please visit: "
      ],
      "links": [
        {
          "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
          "rel": "inaccuracy-report",
          "type": "text/html",
          "value": "https://rdap.arin.net/registry/ip/2620:0:861:ed1a::1"
        }
      ],
      "title": "Whois Inaccuracy Reporting"
    },
    {
      "description": [
        "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
      ],
      "title": "Copyright Notice"
    }
  ],
  "objectClassName": "ip network",
  "parentHandle": "NET6-2620-1",
  "port43": "whois.arin.net",
  "rdapConformance": [
    "nro_rdap_profile_0",
    "rdap_level_0",
    "cidr0",
    "arin_originas0"
  ],
  "remarks": [
    {
      "description": [
        "http://www.wikimediafoundation.org"
      ],
      "title": "Registration Comments"
    }
  ],
  "startAddress": "2620:0:860::",
  "status": [
    "active"
  ],
  "type": "DIRECT ALLOCATION"
}

Was ist eine WHOIS-Abfrage?

WHOIS ist das öffentliche Verzeichnis darüber, wer einen Domainnamen oder einen IP-Adressblock besitzt. Eine Abfrage zeigt den Registrar, über den die Domain gekauft wurde, wann sie erstellt wurde und wann sie abläuft, ihre Nameserver, ihre Statuscodes und einen Abuse-Kontakt zum Melden von Spam oder Phishing. Bei IP-Adressen werden der Inhaber des Netzes, der Adressbereich und die regionale Internet-Registry (ARIN, RIPE NCC, APNIC, LACNIC oder AFRINIC) angezeigt, die ihn vergeben hat.

RDAP: das moderne WHOIS

Dieses Tool fragt das Registration Data Access Protocol (RDAP) ab, den strukturierten JSON-Nachfolger des alten textbasierten WHOIS-Protokolls. Den autoritativen Registry-Server für jede TLD bzw. jeden IP-Bereich ermitteln wir anhand der Bootstrap-Dateien der IANA, sodass die Ergebnisse direkt von der Quelle stammen. Für die wenigen länderspezifischen TLDs, die noch kein RDAP anbieten, greifen wir auf klassisches WHOIS über Port 43 zurück.

Warum ist der Name des Inhabers verborgen?

Seit Inkrafttreten der EU-DSGVO im Mai 2018 schwärzen Registrare standardmäßig die personenbezogenen Daten privater Domaininhaber, und viele bieten kostenlose Datenschutzdienste an, die dasselbe für Unternehmen tun. Um einen Domaininhaber zu kontaktieren, nutzen Sie das Kontaktformular des Registrars oder die angezeigte Abuse-Adresse. Mehr über WHOIS und Datenschutz (auf Englisch).

Domain-Statuscodes verstehen

Status	Bedeutung
`active` / `ok`	Normalzustand ohne Einschränkungen.
`client transfer prohibited`	Registrar-Sperre gegen unautorisierte Transfers. Empfohlen.
`client update / delete prohibited`	Zusätzliche Sperren, die Änderungen oder das Löschen verhindern.
`server hold` / `client hold`	Die Domain wird nicht im DNS veröffentlicht, oft wegen Nichtzahlung oder eines Rechtsstreits.
`redemption period`	Abgelaufen und gelöscht, der bisherige Inhaber kann sie aber gegen eine Gebühr noch wiederherstellen.
`pending delete`	Wird innerhalb von etwa fünf Tagen für die Registrierung durch jedermann freigegeben.

Häufig gestellte Fragen

Wie finde ich heraus, wann eine Domain abläuft?

Geben Sie sie oben ein; das Ablaufdatum und der Countdown kommen direkt von der Registry.

Ist diese WHOIS-Abfrage kostenlos?

Ja. Es gibt keine Anmeldung und bei normaler Nutzung kein Limit.

Wie prüfe ich, ob eine Domain noch frei ist?

Nutzen Sie den Domain-Verfügbarkeitscheck, der einen Namen gleichzeitig für beliebte Endungen prüft.

Aktualisiert 2026-10-18

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