CF1760714268676-tsm20251017082432

DNSWHOIS.INFO - 200.83.38.in-addr.arpa

Search for IP or hostnames:

200.83.38.in-addr.arpa checked at 2025-10-17T15:17:48.673Z 105ms 50/50/50 100% R:14

200.83.38.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

83.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

200.83.38.in-addr.arpa is a parent of 128-191.200.83.38.in-addr.arpa, 59.200.83.38.in-addr.arpa, 60.200.83.38.in-addr.arpa, 160.200.83.38.in-addr.arpa and 157.200.83.38.in-addr.arpa.

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for 200.83.38.in-addr.arpa.

200.83.38.in-addr.arpa shares the same name server setup as other domains, for example 162.100.38.in-addr.arpa, 84.91.149.in-addr.arpa, mc-2.com, 65.174.63.in-addr.arpa and 177.202.38.in-addr.arpa.

200.83.38.in-addr.arpa at least partially shares name servers with other domains, for example ups-brown.org, ups.lv, columbia.edu, ceramicsonline.org and infowaycertification.com.

these name servers are commonly used with the following name servers: nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ext-ns1.columbia.edu, auth4.dns.cogentco.com, auth5.dns.cogentco.com, 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.
dbq

kdmvhsK CF johedugfp 2025-10-17