CF1763516187319-tsm20251116095642

DNSWHOIS.INFO - cogentco.no

Search for IP or hostnames:

cogentco.no checked at 2025-11-19T01:36:27.173Z 876ms 58/58/58 100% R:10 allDone:true timedOut:false

cogentco.no

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
A38.100.128.10🇩🇪 COGENT
PTRcogentco.com

no

NSi.nic.no
NSx.nic.no
NSy.nic.no
NSz.nic.no
NSnjet.norid.no
NSnot.norid.no

Starts with same word

Starts similarily

AI analysis

cogentco.no points to IP number 38.100.128.10.

For instance, other host names cogent.mobi, cable.net, cogent-sp.net, www.internetsupercarrier.com and cogentsp.com share IP numbers with cogentco.no.

cogentco.no is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.

cogentco.no uses the same name server setup as other domains such as lon09.atlas.cogentco.com, 4.220.38.in-addr.arpa, 54.140.38.in-addr.arpa, ply.rs and 149.99.38.in-addr.arpa.

cogentco.no shares name servers with other domains at least partially, for example mailboxesetc.com, 225.41.209.in-addr.arpa, ups.sn, rbb.tel and 18.115.209.in-addr.arpa.

these name servers are commonly paired with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.fnsi.net, ns2.fnsi.net and ns3.fnsi.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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