CF1763041802220-tsm20251109205412

DNSWHOIS.INFO - 29.100.38.in-addr.arpa

Search for IP or hostnames:

29.100.38.in-addr.arpa checked at 2025-11-13T13:50:02.204Z 111ms 47/47/47 100% R:13 allDone:true timedOut:false

29.100.38.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

100.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

29.100.38.in-addr.arpa's delegation uses two name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

29.100.38.in-addr.arpa shares the same name server setup as other domains, for example par04.atlas.cogentco.com, 17.220.38.in-addr.arpa, 71.124.38.in-addr.arpa, 26.104.38.in-addr.arpa and 16.14.208.in-addr.arpa.

29.100.38.in-addr.arpa at least partially shares name servers with other domains, including 235.183.206.in-addr.arpa, nasco.com, 130.41.206.in-addr.arpa, canadahealthinfoway.ca and 32.28.216.in-addr.arpa.

These name servers are typically used together with the name servers 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, ns3.fnsi.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de and dev.nasco.com.

Host names with two IPs:

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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