.book
.book is a generic extension, run by Amazon Registry Services, Inc. since 2015. Anyone can register a .book name through a registrar that sells it.
| Type | Generic |
|---|---|
| Registry operator | Amazon Registry Services, Inc. |
| Who can register | Anyone |
| In the root zone since | 5 December 2015 |
| DNSSEC | Signed |
| RDAP server | https://rdap.nominet.uk/book/ |
| WHOIS server | None listed |
| IANA record | iana.org/domains/root/db/book |
Registrars that sell .book
| Integrated |
From the list of domain registrars. Other registrars may sell it too.
Look up a .book domain
The .book registry publishes registration data over RDAP. The free domain report reads it and shows a .book domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
More extensions from Amazon Registry Services, Inc.
| .amazon | Brand · 2020 |
| .アマゾン | Brand · 2020 |
| .亚马逊 | Brand · 2020 |
| .free | Generic · 2016 |
| .通販 | Generic · 2016 |
| .wow | Generic · 2016 |
| .hot | Generic · 2016 |
| .pay | Generic · 2016 |
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 Something out of date?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 .book extension?
Amazon Registry Services, Inc. is the registry operator for .book. The registry keeps the list of every .book name; registrars sell the names to the public.
Can anyone register a .book domain?
Yes. Anyone can register a .book name through a registrar that sells it.
When was .book created?
.book was added to the DNS root zone on 5 December 2015, according to IANA.
How do I look up who owns a .book domain?
The .book registry publishes registration data over RDAP at https://rdap.nominet.uk/book/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .book signed with DNSSEC?
Yes. The .book zone is signed, so a .book domain can turn on DNSSEC once its registrar adds a DS record.