CF1763500732033-tsm20251116095642

DNSWHOIS.INFO - 74.99.38.in-addr.arpa

Search for IP or hostnames:

74.99.38.in-addr.arpa checked at 2025-11-18T21:18:51.954Z 654ms 47/47/47 100% R:9 allDone:true timedOut:false

74.99.38.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

99.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com are delegated to 74.99.38.in-addr.arpa.

74.99.38.in-addr.arpa uses the same name server configuration as other domains, such as 196.100.38.in-addr.arpa, piaservices.com, 12.122.38.in-addr.arpa, greenhousefarming.com and rsrcorp.com.

74.99.38.in-addr.arpa at least partially shares name servers with other domains such as 49.210.195.in-addr.arpa, 119.231.67.in-addr.arpa, dodgefitnesscenter.com, bigbrown.org and 74.44.209.in-addr.arpa.

These name servers are commonly used alongside 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 and ns03.quat.net.

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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