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.citadel WHOIS lookup

.citadel is managed by Citadel Domain LLC. Its registry answers lookups over RDAP at rdap.identitydigital.services, so a .citadel lookup here reads the registry directly.

Managed by

Citadel Domain LLC
As listed by IANA

RDAP

rdap.identitydigital.services
Lookups read the registry live

WHOIS server

whois.nic.citadel

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

30 June 2016

Registry website

www.citadel.com

What a .citadel lookup shows

The registrar, when the domain was registered and when it expires, every status code in plain words, nameservers and DNSSEC, plus the mail setup read from DNS.

WHOIS vs RDAPWho owns a domain?All endings

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Ending: .citadel
Managed by: Citadel Domain LLC
RDAP base URL: https://rdap.identitydigital.services/rdap/
WHOIS server: whois.nic.citadel
DNSSEC signed in the root: yes
Source: IANA root zone database and RDAP bootstrap, read 2026-10-31
Lookup URL: https://openwhois.org/#d=example.citadel