CF1761100597537-tsm20251017082432

WWW.RTSAK.COM - 21.101.38.in-addr.arpa

Search for IP or hostnames:

21.101.38.in-addr.arpa checked at 2025-10-22T02:36:37.522Z 103ms 47/47/47 100% R:13

21.101.38.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

101.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

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

21.101.38.in-addr.arpa shares the same name server setup as 70.84.38.in-addr.arpa, 58.38.in-addr.arpa, 180.38.in-addr.arpa, 52.129.38.in-addr.arpa and 73.13.149.in-addr.arpa.

21.101.38.in-addr.arpa at least partially shares name servers with other domains, for instance alphacloud.be, upsbilling.ups.com, upsconnectsupport.ca, goldpriority.com and radioamerica.org.

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, dns.infrabel.be and secdns.infrabel.be.

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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xzfbEAc CF johedugfp 2025-10-22