THE INTERNET, IN CONTEXT
Every name.
A world behind it.
Look beyond the address.
Discover the domains, networks and identities that connect us.
+WHOIS · RDAP · WEB3OPEN TO EXPLORE
A few places to start
No sign-up needed02 / THE DETAILS0.89s
DOMAIN / WHOIS
crs.koeln
Record retrieved
At a glance01
- Domain
- crs.koeln
- Registrar
- Ascio Technologies Inc. Danmark
- IANA ID
- 106
- DNSSEC
- Unsigned
A life on the internet02
- Registered2019-04-21
- Last updated2026-06-05
- Expires2027-04-21179 days left
Dates in UTC. Unpublished fields are shown as “—”.
Nameservers03
01root-dns.netcup.net
02second-dns.netcup.net
03third-dns.netcup.net
Registry status04
active
Registration status describes the domain record, not website uptime or security.
Under the surfaceRAW RESPONSE
{"entities":[{"entities":[{"objectClassName":"entity","roles":["abuse"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Gretchen Olive"],["email",{},"text","nicrelations@ascio.com"],["tel",{"type":"voice"},"text","442 070 159 248"]]]}],"handle":"106","links":[{"href":"https://www.ascio.com/","rel":"about","title":"Registrar URL","value":"https://rdap.ascio.com/"}],"objectClassName":"entity","publicIds":[{"identifier":"106","type":"IANA Registrar ID"}],"roles":["registrar"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","Ascio Technologies Inc. Danmark"],["org",{},"text","Ascio Technologies Inc. Danmark"],["email",{},"text","nicrelations@ascio.com"],["tel",{"type":"voice"},"text","+44.2070159248"],["adr",{"cc":"DK"},"text",["Orestads Boulevard 108","10. Sal.th.","null","Copenhagen S","Copenhagen S","2300",""]]]]},{"handle":"REGISTRANT_4a41_ENTITY-KOELN","objectClassName":"entity","roles":["registrant"],"vcardArray":["vcard",[["version",{},"text","4.0"],["fn",{},"text","REDACTED"],["org",{},"text",""],["email",{},"text","REDACTED"],["tel",{"type":"voice"},"text","REDACTED"],["adr",{"cc":"DE"},"text",["REDACTED","REDACTED","REDACTED","REDACTED","REDACTED","REDACTED",""]]]]}],"events":[{"eventAction":"registration","eventDate":"2019-04-21T21:44:40.345830+00:00"},{"eventAction":"expiration","eventDate":"2027-04-21T21:44:40.345830+00:00"},{"eventAction":"last changed","eventDate":"2026-06-05T21:45:05.515329+00:00"},{"eventAction":"last update of RDAP database","eventDate":"2026-10-24T17:57:34.256553880+00:00"}],"ldhName":"crs.koeln","links":[{"href":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln","rel":"self","value":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln"},{"href":"https://rdap.ascio.com/domain/crs.koeln","rel":"related","value":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln"}],"nameservers":[{"ldhName":"root-dns.netcup.net","objectClassName":"nameserver"},{"ldhName":"second-dns.netcup.net","objectClassName":"nameserver"},{"ldhName":"third-dns.netcup.net","objectClassName":"nameserver"}],"notices":[{"description":["Use of this facility is subject to the following policies:"],"links":[{"href":"https://ryce.at/en/rdds","rel":"terms-of-service","value":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln"}],"title":"Terms of use"},{"description":["For more information on domain status codes, please visit https://icann.org/epp"],"links":[{"href":"https://icann.org/epp","rel":"glossary","type":"text/html","value":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln"}],"title":"Status Codes"},{"description":["URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"],"links":[{"href":"https://icann.org/wicf","rel":"help","type":"text/html","value":"https://rdap.ryce-rsp.com/rdap/domain/crs.koeln"}],"title":"RDDS Inaccuracy Complaint Form"}],"objectClassName":"domain","rdapConformance":["icann_rdap_response_profile_1","icann_rdap_technical_implementation_guide_1","rdap_objectTag","redacted"],"redacted":[{"method":"removal","name":{"type":"Registry Domain ID"},"pathLang":"jsonpath","prePath":"$.handle","reason":{"description":"Server Policy"}},{"method":"removal","name":{"description":"registrant registration"},"pathLang":"jsonpath","prePath":"$.entities[?(@.roles[0]=='registrant')].events[?(@.eventAction=='registration')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant email"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='email')][3]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant fax"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='fax')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant fax ext"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='fax')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant phone"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='voice')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant phone ext"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[1].type=='voice')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant name"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='fn')][3]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant province/state"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][4]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant organization"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='org')]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant street"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][:3]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant city"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][3]","reason":{"description":"Server Policy"}},{"method":"replacementValue","name":{"description":"registrant postal code"},"pathLang":"jsonpath","postPath":"$.entities[?(@.roles[0]=='registrant')].vcardArray[1][?(@[0]=='adr')][3][5]","reason":{"description":"Server Policy"}}],"secureDNS":{"delegationSigned":false},"status":["active"]}Keep exploring
Source: https://rdap.ryce-rsp.com/rdap/domain/crs.koelnWHOIS.TD / LOOKUP
01 / DOMAIN
The story behind a domain.
Registrars, lifecycles and nameservers.
02 / NETWORK
Put the network in perspective.
IPv4, IPv6 and autonomous systems.
03 / ONCHAIN
A new layer of identity.
Explore ENS, Realm and UD names.
Your recent explorations
Saved in this browser. Yours to clear at any time.
MADE TO BUILD WITHGood data.
Explore the API