CF1763645131420-tsm20251116095642

IPLIST.NET - 204.117.38.in-addr.arpa

Search for IP or hostnames:

204.117.38.in-addr.arpa checked at 2025-11-20T13:25:31.391Z 331ms 50/50/50 100% R:13 allDone:true timedOut:false

204.117.38.in-addr.arpa

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

117.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

204.117.38.in-addr.arpa is parent of 194.204.117.38.in-addr.arpa.

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

204.117.38.in-addr.arpa shares the same name server configuration as other domains, such as 70.38.in-addr.arpa, 17.100.38.in-addr.arpa, 75.38.in-addr.arpa, 224.53.154.in-addr.arpa and 104.147.217.in-addr.arpa.

204.117.38.in-addr.arpa at least partially shares its name servers with other domains, for instance upsbilling.ups.com, upsconnectsupport.ca, global.ups.com, goldpriority.com and radioamerica.org.

these name servers are commonly used with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, tank.radioamerica.org and auth3.dns.cogentco.com.

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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