.delta
.delta is a brand extension, run by Delta Air Lines, Inc. since 2015. Only Delta Air Lines, Inc., its affiliates and trademark licensees can register .delta names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | Delta Air Lines, Inc. |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 11 July 2015 |
| DNSSEC | Signed |
| RDAP server | https://rdap.identitydigital.services/rdap/ |
| WHOIS server | whois.nic.delta |
| IANA record | iana.org/domains/root/db/delta |
Look up a .delta domain
The .delta registry publishes registration data over RDAP. The free domain report reads it and shows a .delta domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
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 Something out of date?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 .delta extension?
Delta Air Lines, Inc. is the registry operator for .delta. The registry keeps the list of every .delta name; registrars sell the names to the public.
Can anyone register a .delta domain?
Only Delta Air Lines, Inc., its affiliates and trademark licensees can register .delta names; they are not for sale to the public.
When was .delta created?
.delta was added to the DNS root zone on 11 July 2015, according to IANA.
How do I look up who owns a .delta domain?
The .delta registry publishes registration data over RDAP at https://rdap.identitydigital.services/rdap/ and over WHOIS at whois.nic.delta. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .delta signed with DNSSEC?
Yes. The .delta zone is signed, so a .delta domain can turn on DNSSEC once its registrar adds a DS record.