CF1762987152089-tsm20251109205412

DNSWHOIS.INFO - 20.209.38.in-addr.arpa

Search for IP or hostnames:

20.209.38.in-addr.arpa checked at 2025-11-12T22:39:12.074Z 87ms 47/47/47 100% R:11 allDone:true timedOut:false

20.209.38.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

209.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

Delegation for 20.209.38.in-addr.arpa rests with two name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

20.209.38.in-addr.arpa shares the same name server setup as other domains, including 251.117.130.in-addr.arpa, sto04.atlas.cogentco.com, 95.138.82.in-addr.arpa, 166.97.199.in-addr.arpa and 231.206.in-addr.arpa.

20.209.38.in-addr.arpa at least partially shares name servers with other domains, for instance oncallairpickup.com, upsonline.com.hk, ups.kz, infowaycertified.ca and urpic.be.

These name servers are commonly used alongside nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.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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