What is .biz?
.biz is one of the older generic TLDs: ICANN records its delegation as September 25, 2001, long before the 2012 expansion.
Registry Services, LLC operates a large portfolio of 36 TLDs, including .abogado, .beer, .blackfriday, .boston and .casa.
On the technical side, .biz is served by 8 authoritative name servers, 6 of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .biz, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.biz).
Same registry, other endings
35 other TLDs share this operator.
.biz FAQ
What does .biz stand for?
.biz stands for "business". It's one of the older generic TLDs, delegated in 2001.
What is .biz used for?
.biz is mostly used for business & professional. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .biz?
None. .biz is a generic top-level domain, so it isn't tied to any country.
Who owns the .biz domain extension?
Registry Services, LLC operates .biz as its registry, under a registry agreement with ICANN.
When was .biz created?
.biz was delegated to the DNS root zone on September 25, 2001.
Is .biz a valid domain?
Yes. .biz is an active top-level domain in the DNS root zone, delegated in 2001, so .biz addresses work in every browser.
Can I buy a .biz domain?
.biz names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read Registry Services, LLC's policy if you're unsure.
Is .biz DNSSEC-signed?
Yes, the root zone holds a DS record for .biz.
Sources
Data from IANA root zone version 2026102000. Last changed October 14, 2026. Spotted something wrong? Tell us.
