.blue
.blue is a generic extension, run by Identity Digital Limited since 2014. Anyone can register a .blue name through a registrar that sells it.
| Type | Generic |
|---|---|
| Registry operator | Identity Digital Limited |
| Who can register | Anyone |
| In the root zone since | 5 February 2014 |
| DNSSEC | Signed |
| RDAP server | https://rdap.identitydigital.services/rdap/ |
| WHOIS server | None listed |
| IANA record | iana.org/domains/root/db/blue |
Registrars that sell .blue
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated | |
| Integrated |
All 25 registrars for .blue. Other registrars may sell it too.
Look up a .blue domain
The .blue registry publishes registration data over RDAP. The free domain report reads it and shows a .blue domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
More extensions from Identity Digital Limited
| .llc | Generic · 2018 |
| .promo | Generic · 2015 |
| .watches | Generic · 2015 |
| .pet | Generic · 2015 |
| .bet | Generic · 2015 |
| .ski | Generic · 2015 |
| .poker | Generic · 2014 |
| .lgbt | Generic · 2014 |
New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.
Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.
Frequently asked questions
Who runs the .blue extension?
Identity Digital Limited is the registry operator for .blue. The registry keeps the list of every .blue name; registrars sell the names to the public.
Can anyone register a .blue domain?
Yes. Anyone can register a .blue name through a registrar that sells it.
When was .blue created?
.blue was added to the DNS root zone on 5 February 2014, according to IANA.
How do I look up who owns a .blue domain?
The .blue registry publishes registration data over RDAP at https://rdap.identitydigital.services/rdap/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .blue signed with DNSSEC?
Yes. The .blue zone is signed, so a .blue domain can turn on DNSSEC once its registrar adds a DS record.