What is .pro?
.pro is one of the older generic TLDs: ICANN records its delegation as May 27, 2004, 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, .pro 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 .pro, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP.
Same registry, other endings
23 other TLDs share this operator.
.pro FAQ
What does .pro stand for?
.pro stands for "professional". It's one of the older generic TLDs, delegated in 2004.
What is .pro used for?
.pro 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 .pro?
None. .pro is a generic top-level domain, so it isn't tied to any country.
Who owns the .pro domain extension?
Identity Digital Domains Limited operates .pro as its registry, under a registry agreement with ICANN.
When was .pro created?
.pro was delegated to the DNS root zone on May 27, 2004.
Is .pro a valid domain?
Yes. .pro is an active top-level domain in the DNS root zone, delegated in 2004, so .pro addresses work in every browser.
Can I buy a .pro domain?
.pro 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 .pro DNSSEC-signed?
Yes, the root zone holds a DS record for .pro.
Sources
Data from IANA root zone version 2026102000. Last changed October 13, 2026. Spotted something wrong? Tell us.
