CF1760913384773-tsm20251017082432

IPLIST.NET - 217.136.38.in-addr.arpa

Search for IP or hostnames:

217.136.38.in-addr.arpa checked at 2025-10-19T22:36:24.752Z 123ms 47/47/47 100% R:12

217.136.38.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

136.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

217.136.38.in-addr.arpa's delegation is to two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com.

217.136.38.in-addr.arpa shares the same name server configuration as other domains, such as 254.148.in-addr.arpa, 121.32.38.in-addr.arpa, sgmlaw.com, comtrade.co.rs and 8.7.9.0.1.0.0.2.ip6.arpa.

217.136.38.in-addr.arpa at least partially shares its name servers with other domains, for instance 74.44.209.in-addr.arpa, upsts.com, daktronics.es, ups.se and ups-scs.com.

These name servers are commonly paired with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.netrail.net, ns2.netrail.net and ns3.netrail.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.
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AJzHOBC CF johedugfp 2025-10-19