IPLIST.NET - 221.38.in-addr.arpa

Search for IP or hostnames:

221.38.in-addr.arpa checked at 2025-12-01T02:36:20.639Z 193ms 50/50/50 100% R:10 allDone:true timedOut:false

221.38.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

38.in-addr.arpa

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

Up

24.221.38.in-addr.arpa
140.221.38.in-addr.arpa
134.221.38.in-addr.arpa
196.221.38.in-addr.arpa
129.221.38.in-addr.arpa
147.221.38.in-addr.arpa
22.221.38.in-addr.arpa
176.221.38.in-addr.arpa
46.221.38.in-addr.arpa

Starts with same word

221.in-addr.arpa
221.tel
221.ca
221.com
221.ru
221.la
221.org
221.co.uk
221.money
221.cz
221.org.cn
221.life
221.com.ua
221.us
221.one
221.net
221.es
221.co
221.info
221.de

Starts similarily

122.su
212.mx
122.cl
122.ch
212.com.tr
212.cc
122.city
212.by
212.ru
122.eu
212.in-addr.arpa
212.photos
212.amsterdam
212.fr
212.me
212.guide
221.life
221.com.ua
122.be
212.guru
212.com.cn
212.net
122.at
212.tel
122.cn
221.us
122.kim
212.sk
221.one
122.run
122.co.il
122.co
212.at
212.ph
122.biz
122.dk
212.insure
221.net
212.com.ua
122.ru
221.es
122.ltd
221.co
122.one
221.info
221.de
212.plumbing
212.codes
212.ua
212.de
122.cz
212.nl
122.cc
122.info
212.vc
212.ch
212.kr
212.mobi
122.vn
221.in-addr.arpa
221.tel
212.pl
122.in-addr.arpa
212.dk
221.ca
212.ws
122.us
122.in
212.lv
221.com
212.us
212.bz
221.ru
122.gov.cn
122.ph
212.in
212.se
221.la
122.de
221.org
221.co.uk
122.lv
212.fund
212.church
212.ca
212.jetzt
212.run
221.money
212.one
212.com.mx
212.email
212.lt
221.cz
122.fyi
212.graphics
221.org.cn
212.com
122.it
122.nl
212.vin

AI analysis

221.38.in-addr.arpa is a parent of 24.221.38.in-addr.arpa, 140.221.38.in-addr.arpa, 134.221.38.in-addr.arpa, 196.221.38.in-addr.arpa and 129.221.38.in-addr.arpa, plus a few other host names.

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

221.38.in-addr.arpa uses the same name server setup as other domains, for instance 160.58.38.in-addr.arpa, 128.43.154.in-addr.arpa, 98.129.38.in-addr.arpa, 209.182.66.in-addr.arpa and 14.1.206.in-addr.arpa.

221.38.in-addr.arpa shares name servers with other domains at least partially, for instance theupsstore.se, ups-consulting.com, 65.234.199.in-addr.arpa, ups.co.at and 119.115.209.in-addr.arpa.

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, ns1.fnsi.net, ns2.fnsi.net and ns3.fnsi.net.

Host names with two IP numbers:

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

The host auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.