WWW.RTSAK.COM - 243.205.in-addr.arpa

Search for IP or hostnames:

243.205.in-addr.arpa checked at 2025-09-30T08:16:24.187Z 114ms 50/50/50 100% R:12

`243.205.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 Cogent Communications, Inc.}
			PTR	`auth2.dns.cogentco.com`

`205.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Up

112.243.205.in-addr.arpa

146.243.205.in-addr.arpa

120.243.205.in-addr.arpa

144.243.205.in-addr.arpa

21.243.205.in-addr.arpa

114.243.205.in-addr.arpa

Starts with same word

243.hk

243.ph

243.cn

243.su

243.io

243.fr

243.dk

243.it

243.us

243.com

243.eu

243.ru

243.in

243.ca

243.de

243.net

243.jp

Starts similarily

342.it

234.name

234.dk

234.vn

234.cn

432.info

423.ru

234.se

324.com

432.ch

324.ir

342.ch

234.co.jp

432.co.jp

324.co.uk

324.de

243.com

234.es

423.de

342.in

432.gr

324.fr

234.biz

243.eu

342.co.uk

234.hu

324.email

234.at

243.ru

432.agency

432.cz

243.in

342.biz

234.email

342.ph

432.run

234.mx

234.gr

423.ch

324.cc

342.com

243.ca

423.ca

432.foundation

432.net

324.at

243.de

234.lt

432.si

234.cz

324.nl

234.ovh

324.cat

342.ru

342.co

324.vip

234.xxx

432.am

234.pl

234.red

432.co

234.im

234.us

432.bet

324.ing

243.net

234.sk

234.hr

243.jp

234.by

243.hk

234.ren

324.it

243.ph

423.in

342.de

234.be

432.hu

234.com.tw

324.jp

342.nl

234.de

234.fr

324.net

234.su

342.me

342.fr

432.com

342.ca

234.co

243.cn

234.la

432.it

423.hk

432.hk

234.tv

234.kz

243.su

243.io

234.nl

243.fr

432.one

342.co.kr

243.dk

324.cn

234.co.il

234.vg

234.com

324.us

432.ovh

234.ru

234.ca

423.gmbh

342.tel

423.org.uk

423.no

243.it

324.co

432.ru

432.ca

423.com

234.in-addr.arpa

423.biz

243.us

432.cc

AI analysis

243.205.in-addr.arpa is a parent of 112.243.205.in-addr.arpa, 146.243.205.in-addr.arpa, 120.243.205.in-addr.arpa, 144.243.205.in-addr.arpa and 21.243.205.in-addr.arpa, plus a few other host names.

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

243.205.in-addr.arpa uses the same name server setup as other domains, for instance 88.169.38.in-addr.arpa, 119.206.in-addr.arpa, 122.176.38.in-addr.arpa, 227.161.38.in-addr.arpa and education.edu.

243.205.in-addr.arpa shares name servers with other domains at least partially, for instance 139.41.206.in-addr.arpa, 226.183.206.in-addr.arpa, roppe.net, apps.pww2-ocp.ups.com and ups.com.sg.

these name servers are commonly used with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns3.ionet.net, ns4.ionet.net, ns5.ionet.net, ns6.ionet.net, ns1.fnsi.net and ns2.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.

dbq