CF1763510484629-tsm20251116095642

DNSWHOIS.INFO - 136.143.38.in-addr.arpa

Search for IP or hostnames:

136.143.38.in-addr.arpa checked at 2025-11-19T00:01:24.596Z 448ms 50/50/50 100% R:9 allDone:true timedOut:false

136.143.38.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

143.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

136.143.38.in-addr.arpa is a parent of 17.136.143.38.in-addr.arpa, 23.136.143.38.in-addr.arpa, 56.136.143.38.in-addr.arpa and 12.136.143.38.in-addr.arpa.

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

136.143.38.in-addr.arpa shares the same name server setup as other domains, for instance 7.100.38.in-addr.arpa, 59.154.in-addr.arpa, 176.221.38.in-addr.arpa, 92.149.in-addr.arpa and 52.36.38.in-addr.arpa.

136.143.38.in-addr.arpa at least partially shares name servers with other domains, for instance theupsstorelocal.com, nchadvisors.com, upscampusship.com, 80.193.38.in-addr.arpa and preussenchronik.de.

these name servers are commonly used with the name servers cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.nchcapital.com and auth01.dns.xand.com.

Host names with two IP numbers:

The host name auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; the host name 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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