CF1759263335551-tsm20250929235914

NSLIST.NET - 20.in-addr.arpa

Search for IP or hostnames:

20.in-addr.arpa checked at 2025-09-30T20:15:35.537Z 88ms 87/87/87 100% R:11

20.in-addr.arpa

NSr.arin.net
A2001:500:f0::63 🇺🇸 ARIN Operations Anycast
PTRr.arin.net
A199.180.180.63🇺🇸 ARIN Operations Anycast
PTRr.arin.net
NSu.arin.net
A2001:500:14:6050:ad::1 🇺🇸 PCH AS42
PTRu.arin.net
A204.61.216.50🇺🇸 PCH AS42
PTRu.arin.net
NSx.arin.net
A2001:500:f0::63 🇺🇸 ARIN Operations Anycast
PTRr.arin.net
A199.180.180.63🇺🇸 ARIN Operations Anycast
PTRr.arin.net
NSy.arin.net
A2001:500:127::30 🇺🇸 VERISIGN-AS
PTRav4.nstld.com
PTRy.arin.net
A192.82.134.30🇺🇸 VERISIGN-AS
PTRav4.nstld.com
PTRy.arin.net
NSz.arin.net
A2001:500:f0::63 🇺🇸 ARIN Operations Anycast
PTRr.arin.net
A199.180.180.63🇺🇸 ARIN Operations Anycast
PTRr.arin.net
NSarin.authdns.ripe.net
A2a13:27c0:30::10 🇳🇱 RIPE NCC Authoritative DNS
PTRarin.authdns.ripe.net
A193.0.9.10🇳🇱 RIPE NCC Authoritative DNS
PTRarin.authdns.ripe.net

in-addr.arpa

NSa.in-addr-servers.arpa
NSb.in-addr-servers.arpa
NSc.in-addr-servers.arpa
NSd.in-addr-servers.arpa
NSe.in-addr-servers.arpa
NSf.in-addr-servers.arpa

Up

Starts with same word

Starts similarily

AI analysis

20.in-addr.arpa is a parent of 188.20.in-addr.arpa, 51.20.in-addr.arpa, 14.20.in-addr.arpa, 29.20.in-addr.arpa, 165.20.in-addr.arpa and hundreds of other host names.

20.in-addr.arpa is delegated to six name servers: r.arin.net, u.arin.net, x.arin.net, y.arin.net, z.arin.net and arin.authdns.ripe.net.

20.in-addr.arpa at least partially shares name servers with other domains, for instance 15.in-addr.arpa, 131.in-addr.arpa, 128.in-addr.arpa, 0.43.199.in-addr.arpa and 69.in-addr.arpa.

These name servers are commonly used with ns1.arin.net, ns2.arin.net, ns3.arin.net, ns4.apnic.net and ns3.lacnic.net.

Host names with two IP numbers:

r.arin.net points to 2001:500:f0::63 and 199.180.180.63

u.arin.net points to 2001:500:14:6050:ad::1 and 204.61.216.50

x.arin.net points to 2001:500:f0::63 and 199.180.180.63

y.arin.net points to 2001:500:127::30 and 192.82.134.30

z.arin.net points to 2001:500:f0::63 and 199.180.180.63

arin.authdns.ripe.net points to 2a13:27c0:30::10 and 193.0.9.10

Host names that point to 2001:500:f0::63: r.arin.net, x.arin.net and z.arin.net

Host names that point to 199.180.180.63: r.arin.net, x.arin.net and z.arin.net

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

tCayflY CF johedugfp 2025-09-30