CF1763522174664-tsm20251116095642

DNSWHOIS.INFO - 181.142.38.in-addr.arpa

Search for IP or hostnames:

181.142.38.in-addr.arpa checked at 2025-11-19T03:16:14.604Z 142ms 50/50/50 100% R:9 allDone:true timedOut:false

181.142.38.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

142.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

181.142.38.in-addr.arpa is a parent of 220.181.142.38.in-addr.arpa, 221.181.142.38.in-addr.arpa and 219.181.142.38.in-addr.arpa.

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

181.142.38.in-addr.arpa shares the same name server setup as other domains, for example ndm.edu, 201.114.38.in-addr.arpa, 80.117.38.in-addr.arpa, cogentsp.com and 58.34.149.in-addr.arpa.

181.142.38.in-addr.arpa at least partially shares name servers with other domains, for instance bigbrown.org, 74.44.209.in-addr.arpa, upsts.com, ups.se and ups-scs.com.

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, 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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