WWW.RTSAK.COM - 21.78.87.in-addr.arpa

Search for IP or hostnames:

21.78.87.in-addr.arpa checked at 2025-10-16T21:47:41.212Z 278ms 50/50/50 100% R:9

`21.78.87.in-addr.arpa`

NS	`ns1.netcologne.de`
		A	2001:4dd0:100:1020:53:1:0:1 ^{🇩🇪 NetCologne}
			PTR	`ns1.netcologne.de`
		A	194.8.194.70^{🇩🇪 NetCologne}
			PTR	`ns1.netcologne.de`
NS	`ns3.netcologne.de`
		A	2001:4dd0:100:4220:53:1:0:3 ^{🇩🇪 NetCologne}
			PTR	`ns3.netcologne.de`
		A	194.8.197.10^{🇩🇪 NetCologne}
			PTR	`ns3.netcologne.de`

`78.87.in-addr.arpa`

Up

125.21.78.87.in-addr.arpa

46.21.78.87.in-addr.arpa

103.21.78.87.in-addr.arpa

176.21.78.87.in-addr.arpa

102.21.78.87.in-addr.arpa

Starts with same word

21.ax

21.nu

21.business

21.casino

21.pl

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

21.fr

21.by

21.com.es

21.life

21.run

21.pw

21.org.cn

21.net

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.gen.tr

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

21.finance

Starts similarily

12.biz

21.rs

12.to

21.com

12.net

12.la

21.bet

12.at

21.center

21.kz

12.ws

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.gen.tr

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.ie

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

12.life

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

12.hk

21.ax

12.amsterdam

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

12.chat

21.by

12.solutions

12.dyndns.tv

21.com.es

21.life

12.cm

21.run

21.pw

12.world

21.org.cn

12.by

21.net

12.org.ua

AI analysis

21.78.87.in-addr.arpa is parent of 125.21.78.87.in-addr.arpa, 46.21.78.87.in-addr.arpa, 103.21.78.87.in-addr.arpa, 176.21.78.87.in-addr.arpa and 102.21.78.87.in-addr.arpa.

Two name servers ns1.netcologne.de and ns3.netcologne.de are delegated to 21.78.87.in-addr.arpa.

21.78.87.in-addr.arpa uses the same name server configuration as other domains, such as 222.196.213.in-addr.arpa, 8.0.89.in-addr.arpa, 138.0.89.in-addr.arpa, 143.78.87.in-addr.arpa and 89.168.213.in-addr.arpa.

21.78.87.in-addr.arpa at least partially shares name servers with other domains such as 67.168.213.in-addr.arpa, 232.14.195.in-addr.arpa, 205.8.194.in-addr.arpa, gummersbach.org and 75.168.213.in-addr.arpa.

these name servers are commonly used alongside the name servers ns2.netcologne.de, noc.rrz.uni-koeln.de, pns.dtag.de, dns.techfak.net and dns5.netcologne.de.

Host names with two IPs:

ns1.netcologne.de points to 2001:4dd0:100:1020:53:1:0:1 and 194.8.194.70.

ns3.netcologne.de points to 2001:4dd0:100:4220:53:1:0:3 and 194.8.197.10.

dbq