Open WHOISbuilt by Just

.one WHOIS lookup

.one is managed by One.com A/S. Its registry answers lookups over RDAP at rdap.nic.one, so a .one lookup here reads the registry directly.

Managed by

One.com A/S
As listed by IANA

RDAP

rdap.nic.one
Lookups read the registry live

WHOIS server

whois.nic.one

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

18 December 2014

Registry website

get.one

What a .one 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: .one
Managed by: One.com A/S
RDAP base URL: https://rdap.nic.one/
WHOIS server: whois.nic.one
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.one