.phd
.phd is a generic extension, run by Charleston Road Registry Inc. since 2017. Anyone can register a .phd name through a registrar that sells it.
| Type | Generic |
|---|---|
| Registry operator | Charleston Road Registry Inc. |
| Who can register | Anyone |
| In the root zone since | 29 June 2017 |
| DNSSEC | Signed |
| RDAP server | https://pubapi.registry.google/rdap/ |
| WHOIS server | None listed |
| IANA record | iana.org/domains/root/db/phd |
Registrars that sell .phd
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All 16 registrars for .phd. Other registrars may sell it too.
Look up a .phd domain
The .phd registry publishes registration data over RDAP. The free domain report reads it and shows a .phd domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
More extensions from Charleston Road Registry Inc.
| .map | Generic · 2017 |
| .search | Generic · 2017 |
| .app | Generic · 2015 |
| .drive | Generic · 2015 |
| .play | Generic · 2015 |
| .ads | Generic · 2015 |
| .guge | Generic · 2015 |
| .page | Generic · 2015 |
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 Something out of date?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 .phd extension?
Charleston Road Registry Inc. is the registry operator for .phd. The registry keeps the list of every .phd name; registrars sell the names to the public.
Can anyone register a .phd domain?
Yes. Anyone can register a .phd name through a registrar that sells it.
When was .phd created?
.phd was added to the DNS root zone on 29 June 2017, according to IANA.
How do I look up who owns a .phd domain?
The .phd registry publishes registration data over RDAP at https://pubapi.registry.google/rdap/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .phd signed with DNSSEC?
Yes. The .phd zone is signed, so a .phd domain can turn on DNSSEC once its registrar adds a DS record.