CF1759673087103-tsm20251005092912

IPLIST.NET - 139.101.38.in-addr.arpa

Search for IP or hostnames:

139.101.38.in-addr.arpa checked at 2025-10-05T14:04:47.091Z 87ms 50/50/50 100% R:12

139.101.38.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

101.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

139.101.38.in-addr.arpa is the parent of 5.139.101.38.in-addr.arpa.

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

139.101.38.in-addr.arpa shares the same name server setup as other domains, for instance globalpeerexchange.com, pkhome.com, 66.110.38.in-addr.arpa, 150.121.38.in-addr.arpa and 40.118.38.in-addr.arpa.

139.101.38.in-addr.arpa at least partially shares name servers with other domains, for instance canadianhealthinfoway.com, prescribeit.ca, 235.183.206.in-addr.arpa, nasco.com and 130.41.206.in-addr.arpa.

These name servers are commonly used with ns1.infoway-inforoute.ca, ns2.infoway-inforoute.ca, ns1.fnsi.net, ns2.fnsi.net and ns3.fnsi.net.

Host names with two IP numbers:

The host name auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; the host name 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.
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