CF1761502229656-tsm20251026171716

DNSWHOIS.INFO - 199.123.38.in-addr.arpa

Search for IP or hostnames:

199.123.38.in-addr.arpa checked at 2025-10-26T18:10:29.638Z 129ms 50/50/50 100% R:10

199.123.38.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

123.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

199.123.38.in-addr.arpa is the parent of 66.199.123.38.in-addr.arpa.

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

199.123.38.in-addr.arpa shares the same name server setup as other domains, for example 101.235.209.in-addr.arpa, 24.150.38.in-addr.arpa, 128.74.38.in-addr.arpa, 239.98.38.in-addr.arpa and phl01.atlas.cogentco.com.

199.123.38.in-addr.arpa at least partially shares name servers with other domains, for instance ard-infoportal.net, 217.160.192.in-addr.arpa, wwrm.org, upslogistic.com and 252.28.216.in-addr.arpa.

these name servers are commonly used with 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.
dbq

HfkfMZJ CF johedugfp 2025-10-26