CF1758379249688-tsm20250920125133

NSLIST.NET - 251.2.199.in-addr.arpa

Search for IP or hostnames:

251.2.199.in-addr.arpa checked at 2025-09-20T14:40:49.672Z 134ms 47/47/47 100% R:15

251.2.199.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

2.199.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

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

251.2.199.in-addr.arpa uses the same name server setup as other domains, including 64.84.38.in-addr.arpa, cgsh.com, 152.98.38.in-addr.arpa, 236.14.149.in-addr.arpa and 228.77.192.in-addr.arpa.

At least part of the name servers for 251.2.199.in-addr.arpa are shared with other domains, for instance ups.se, ups-scs.com, deutschlandfunk.eu, campusundkarriere.de and upsseconddayair.com.

These name servers are commonly used together 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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ruXclls CF johedugfp 2025-09-20