CF1759867897070-tsm20251005211530

IPLIST.NET - 131.13.199.in-addr.arpa

Search for IP or hostnames:

131.13.199.in-addr.arpa checked at 2025-10-07T20:11:37.057Z 103ms 47/47/47 100% R:11

131.13.199.in-addr.arpa

NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com

13.199.in-addr.arpa

NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com

Starts with same word

Starts similarily

AI analysis

131.13.199.in-addr.arpa is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

131.13.199.in-addr.arpa uses the same name server setup as other domains, including 53.38.in-addr.arpa, ras06.jfk01.dial.cogentco.com, aspca.org, 146.171.65.in-addr.arpa and 94.149.in-addr.arpa.

At least part of the name servers for 131.13.199.in-addr.arpa are shared with other domains, for instance 22.28.216.in-addr.arpa, ard-zdf-box.de, 27.115.209.in-addr.arpa, ifbpcs.be and 141.41.206.in-addr.arpa.

These name servers are commonly used alongside ns1.vodafone-ip.de, ns2.vodafone-ip.de, nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.fnsi.net, ns2.fnsi.net and ns3.fnsi.net.

Host names with two IP numbers:

auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.

auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.

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

JkEfMJm CF johedugfp 2025-10-07