What is .mobi?
.mobi is one of the older generic TLDs: ICANN records its delegation as October 20, 2005, long before the 2012 expansion.
Identity Digital Domains Limited also runs 23 other TLDs, including .archi, .bet, .bio, .black and .blue.
On the technical side, .mobi is served by 6 authoritative name servers, every one of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .mobi, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP.
Same registry, other endings
23 other TLDs share this operator.
.mobi FAQ
What does .mobi stand for?
.mobi stands for "mobile". It's one of the older generic TLDs, delegated in 2005.
What country is .mobi?
None. .mobi is a generic top-level domain, so it isn't tied to any country.
Who owns the .mobi domain extension?
Identity Digital Domains Limited operates .mobi as its registry, under a registry agreement with ICANN.
When was .mobi created?
.mobi was delegated to the DNS root zone on October 20, 2005.
Is .mobi a valid domain?
Yes. .mobi is an active top-level domain in the DNS root zone, delegated in 2005, so .mobi addresses work in every browser.
Can I buy a .mobi domain?
.mobi names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read Identity Digital Domains Limited's policy if you're unsure.
Is .mobi DNSSEC-signed?
Yes, the root zone holds a DS record for .mobi.
Sources
Data from IANA root zone version 2026102000. Last changed September 4, 2025. Spotted something wrong? Tell us.
