Open WHOISbuilt by Just

.biz WHOIS lookup

.biz is managed by Registry Services, LLC. Its registry answers lookups over RDAP at rdap.nic.biz, so a .biz lookup here reads the registry directly.

Managed by

Registry Services, LLC
As listed by IANA

RDAP

rdap.nic.biz
Lookups read the registry live

WHOIS server

whois.nic.biz

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

26 June 2001

Registry website

www.nic.biz

What a .biz 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: .biz
Managed by: Registry Services, LLC
RDAP base URL: https://rdap.nic.biz/
WHOIS server: whois.nic.biz
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.biz