CF1763521125710-tsm20251116095642

DNSWHOIS.INFO - 140.221.38.in-addr.arpa

Search for IP or hostnames:

140.221.38.in-addr.arpa checked at 2025-11-19T02:58:45.473Z 3320ms 47/47/47 100% R:9 allDone:true timedOut:false

140.221.38.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

221.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

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

140.221.38.in-addr.arpa shares the same name server configuration as other domains, such as 195.101.38.in-addr.arpa, 96.109.38.in-addr.arpa, 143.82.209.in-addr.arpa, 21.126.38.in-addr.arpa and 247.205.in-addr.arpa.

140.221.38.in-addr.arpa at least partially shares its name servers with other domains, for instance upsmailinnovations.info, hoerspielundfeature.de, imec.org, suffolk.edu and jetcomm.net.

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 and ns2.vodafone-ip.de.

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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