DNSWHOIS.INFO - 20.39.209.in-addr.arpa

Search for IP or hostnames:

20.39.209.in-addr.arpa checked at 2025-11-30T05:30:33.952Z 562ms 50/50/50 100% R:14 allDone:true timedOut:false

20.39.209.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

39.209.in-addr.arpa

NSauth21.ns.gin.ntt.net
NSauth22.ns.gin.ntt.net
NSauth23.ns.gin.ntt.net
NSauth24.ns.gin.ntt.net
NSauth25.ns.gin.ntt.net

Up

80.20.39.209.in-addr.arpa
153.20.39.209.in-addr.arpa
22.20.39.209.in-addr.arpa
21.20.39.209.in-addr.arpa

Starts with same word

20.am
20.se
20.nu
20.kz
20.in-addr.arpa
20.org
20.to
20.co.kr
20.no
20.la
20.pl
20.gs
20.cc
20.com
20.gifts
20.de
20.lv
20.nl
20.sk
20.dk
20.fyi
20.fi
20.ua
20.tel
20.net
20.eu
20.world
20.com.vn
20.wtf
20.run
20.be
20.amsterdam
20.ca
20.com.ua
20.estate
20.ms
20.vision
20.ie
20.biz
20.co.uk
20.vc
20.cl

Starts similarily

02.link
02.si
20.com.vn
02.fr
20.wtf
02.hu
20.run
02.fyi
02.network
02.kz
20.be
02.cm
02.cc
20.amsterdam
02.app
20.ca
20.com.ua
02.fitness
20.estate
20.ms
02.lv
20.vision
02.co
02.su
02.net
20.ie
02.gen.tr
02.co.uk
02.to
20.biz
20.co.uk
20.vc
20.cl
02.be
02.co.kr
02.ca
20.am
20.se
20.nu
02.se
20.kz
02.com.pl
02.com.tr
20.in-addr.arpa
02.tv
02.eu
02.tel
02.com.tw
20.org
02.world
20.to
20.co.kr
20.no
02.cz
20.la
02.fi
02.ai
02.mk
02.ro
02.de
20.pl
02.pl
02.org
02.cn
20.gs
20.cc
02.ru
20.com
20.gifts
20.de
20.lv
02.ag
20.nl
02.no
02.help
20.sk
20.dk
20.fyi
20.fi
02.dk
20.ua
02.cl
02.gay
20.tel
20.net
20.eu
02.nl
20.world
02.vin
02.sk

AI analysis

20.39.209.in-addr.arpa is a parent of 80.20.39.209.in-addr.arpa, 153.20.39.209.in-addr.arpa, 22.20.39.209.in-addr.arpa and 21.20.39.209.in-addr.arpa.

Delegation for 20.39.209.in-addr.arpa rests with two name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

20.39.209.in-addr.arpa shares the same name server setup as other domains, including 208.100.38.in-addr.arpa, ndm.edu, 201.114.38.in-addr.arpa, 80.117.38.in-addr.arpa and cogentsp.com.

20.39.209.in-addr.arpa at least partially shares name servers with other domains, for instance bigbrown.org, 74.44.209.in-addr.arpa, upsts.com, ups.se and ups-scs.com.

These name servers are commonly used together with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.netrail.net, ns2.netrail.net and ns3.netrail.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.