.arpa

Top-level domain .arpa from the IANA root zone database.

No registrar pricing is available for this extension. This page documents registry status and restrictions only.

.arpa domain

Registry

Type: infrastructure
Operator: Internet Architecture Board (IAB)
WHOIS server: whois.iana.org
RDAP server: —
DNSSEC: Signed
WHOIS privacy

Registration rules

Access: Closed
Public registration: No
Eligibility note: Infrastructure TLD operated by IANA for Internet technical operations (for example reverse DNS). Not a public registration product.
Policy: https://www.iana.org/domains/arpa
Term: 1–10 years
Min length: 1
Max length: 63

Name servers

12 hosts

Host	IPv4	IPv6
a.ns.arpa	198.41.0.4	2001:503:ba3e:0:0:0:2:30
b.ns.arpa	170.247.170.2	2801:1b8:10:0:0:0:0:b
c.ns.arpa	192.33.4.12	2001:500:2:0:0:0:0:c
d.ns.arpa	199.7.91.13	2001:500:2d:0:0:0:0:d
e.ns.arpa	192.203.230.10	2001:500:a8:0:0:0:0:e
f.ns.arpa	192.5.5.241	2001:500:2f:0:0:0:0:f
g.ns.arpa	192.112.36.4	2001:500:12:0:0:0:0:d0d
h.ns.arpa	198.97.190.53	2001:500:1:0:0:0:0:53
i.ns.arpa	192.36.148.17	2001:7fe:0:0:0:0:0:53
k.ns.arpa	193.0.14.129	2001:7fd:0:0:0:0:0:1
l.ns.arpa	199.7.83.42	2001:500:9f:0:0:0:0:42
m.ns.arpa	202.12.27.33	2001:dc3:0:0:0:0:0:35

About .arpa

.arpa is a infrastructure operated by Internet Architecture Board (IAB).

Facts

.arpa supports DNSSEC.

Uses

Infrastructure TLD. Reserved for DNS infrastructure, not public registration.