Special-Use Domain Names
Registration Procedure(s)
- Standards Action or IESG Approval
Reference
- RFC 6761: Special-Use Domain Names
Note
The "Special Use" designation applies to both the listed domains and their subdomains.
Available Formats
| Name | Reference |
|---|---|
| alt. | RFC 9476 |
| 6tisch.arpa. | RFC 9031 |
| eap.arpa. | RFC 9965 |
| eap-noob.arpa. (DEPRECATED) | RFC 9140; RFC 9965 |
| home.arpa. | RFC 8375 |
| 10.in-addr.arpa. | RFC 6761 |
| 254.169.in-addr.arpa. | RFC 6762 |
| 16.172.in-addr.arpa. | RFC 6761 |
| 17.172.in-addr.arpa. | RFC 6761 |
| 18.172.in-addr.arpa. | RFC 6761 |
| 19.172.in-addr.arpa. | RFC 6761 |
| 20.172.in-addr.arpa. | RFC 6761 |
| 21.172.in-addr.arpa. | RFC 6761 |
| 22.172.in-addr.arpa. | RFC 6761 |
| 23.172.in-addr.arpa. | RFC 6761 |
| 24.172.in-addr.arpa. | RFC 6761 |
| 25.172.in-addr.arpa. | RFC 6761 |
| 26.172.in-addr.arpa. | RFC 6761 |
| 27.172.in-addr.arpa. | RFC 6761 |
| 28.172.in-addr.arpa. | RFC 6761 |
| 29.172.in-addr.arpa. | RFC 6761 |
| 30.172.in-addr.arpa. | RFC 6761 |
| 31.172.in-addr.arpa. | RFC 6761 |
| 170.0.0.192.in-addr.arpa. | RFC 8880 |
| 171.0.0.192.in-addr.arpa. | RFC 8880 |
| 168.192.in-addr.arpa. | RFC 6761 |
| 8.e.f.ip6.arpa. | RFC 6762 |
| 9.e.f.ip6.arpa. | RFC 6762 |
| a.e.f.ip6.arpa. | RFC 6762 |
| b.e.f.ip6.arpa. | RFC 6762 |
| ipv4only.arpa. | RFC 8880 |
| resolver.arpa. | RFC 9462 |
| service.arpa. | RFC 9665 |
| example. | RFC 6761 |
| example.com. | RFC 6761 |
| example.net. | RFC 6761 |
| example.org. | RFC 6761 |
| invalid. | RFC 6761 |
| local. | RFC 6762 |
| localhost. | RFC 6761 |
| onion. | RFC 7686 |
| test. | RFC 6761 |