CF1759665142194-tsm20251005092912

IPLIST.NET - 221.131.157.in-addr.arpa

Search for IP or hostnames:

221.131.157.in-addr.arpa checked at 2025-10-05T11:52:22.180Z 193ms 106/106/106 100% R:17

221.131.157.in-addr.arpa

NSa.auth-ns.sonic.net
A2001:5a8:601:2::39 🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRa.auth-ns.sonic.net
A157.131.0.39🇺🇸 Sonic.net, Inc.
PTRa.auth-ns.sonic.net
NSb.auth-ns.sonic.net
A2607:43c1:1:3::144 AS26858
PTRb.auth-ns.sonic.net
A75.101.68.144🇺🇸 AS26858
PTRb.auth-ns.sonic.net
NSc.auth-ns.sonic.net
A2604:1380:45d1:ae01::3 🇺🇸 Equinix as15830
PTRc.auth-ns.sonic.net
A139.178.66.139🇺🇸 Equinix as15830
PTRc.auth-ns.sonic.net
MXmailin-01.mx.sonic.net
A157.131.224.68🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRa.mx.sonic.net
A157.131.224.69🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRb.mx.sonic.net
A157.131.224.70🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRc.mx.sonic.net
MXmailin-02.mx.sonic.net
A157.131.224.71🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRd.mx.sonic.net
A157.131.224.72🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRe.mx.sonic.net
A157.131.224.73🇺🇸 Sonic Telecom (Sonic.net, Inc.)
PTRf.mx.sonic.net
A209.204.175.65🇺🇸 Sonic.net, Inc.
PTRname-web-test.sonic.net

131.157.in-addr.arpa

NSa.auth-ns.sonic.net
NSb.auth-ns.sonic.net
NSc.auth-ns.sonic.net

Up

Starts with same word

Starts similarily

AI analysis

221.131.157.in-addr.arpa is a parent of 187.221.131.157.in-addr.arpa and 127.221.131.157.in-addr.arpa.

221.131.157.in-addr.arpa resolves to one IP number: 209.204.175.65.

other host names including zentropa.com, 215.27.198.in-addr.arpa, meekervineyards.com, scooptube.org and 3.93.23.in-addr.arpa share IP numbers with 221.131.157.in-addr.arpa.

221.131.157.in-addr.arpa is delegated to three name servers a.auth-ns.sonic.net, b.auth-ns.sonic.net and c.auth-ns.sonic.net.

221.131.157.in-addr.arpa at least partially shares name servers with other domains, for instance 77.254.142.in-addr.arpa, lax1.sonic.net, westbase.us, onuclothing.net and 101.93.23.in-addr.arpa.

these name servers are commonly used alongside d.auth-ns.sonic.net.

Host names with two IP numbers:

a.auth-ns.sonic.net points to: 2001:5a8:601:2::39 and 157.131.0.39.

b.auth-ns.sonic.net points to: 2607:43c1:1:3::144 and 75.101.68.144.

c.auth-ns.sonic.net points to: 2604:1380:45d1:ae01::3 and 139.178.66.139.

Two mail servers handle 221.131.157.in-addr.arpa: mailin-01.mx.sonic.net and mailin-02.mx.sonic.net.

221.131.157.in-addr.arpa shares the same mail server setup as other domains, for instance kaneboys.com, 133.0.50.in-addr.arpa, craized.net, 222.36.70.in-addr.arpa and intimuse.com.

Host names with three IPs:

mailin-01.mx.sonic.net points to 157.131.224.68, 157.131.224.69 and 157.131.224.70.

mailin-02.mx.sonic.net points to 157.131.224.71, 157.131.224.72 and 157.131.224.73.

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