DNSWHOIS.INFO - 21.139.87.in-addr.arpa

Search for IP or hostnames:

21.139.87.in-addr.arpa checked at 2025-09-06T13:18:48.045Z 7033ms 50/50/50 100% R:11

`21.139.87.in-addr.arpa`

NS	`pns.dtag.de`
		A	2003:40:8000::100 ^{🇩🇪 Deutsche Telekom}
			PTR	`pns.dtag.de`
		A	194.25.0.125^{🇩🇪 Deutsche Telekom}
			PTR	`pns.dtag.de`
NS	`secondary007.dtag.net`
		A	2a00:fa8:3:0:100:0:7:1 ^{🇩🇪 NetUSE AG}
			PTR	`secondary007.dtag.net`
		A	195.244.245.24^{🇩🇪 NetUSE AG}
			PTR	`secondary007.dtag.net`

`139.87.in-addr.arpa`

	NS	`pns.dtag.de`
	NS	`secondary007.dtag.net`

Up
`65.21.139.87.in-addr.arpa`
`112.21.139.87.in-addr.arpa`
`38.21.139.87.in-addr.arpa`
`235.21.139.87.in-addr.arpa`
`7.21.139.87.in-addr.arpa`
`94.21.139.87.in-addr.arpa`
`9.21.139.87.in-addr.arpa`

Starts with same word
`21.nl`
`21.agency`
`21.co`
`21.biz`
`21.lv`
`21.ru`
`21.co.za`
`21.finance`
`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.net`
`21.la`
`21.ag`
`21.diamonds`
`21.cn`
`21.de`
`21.training`
`21.ca`
`21.construction`
`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`

Starts similarily
`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`
`12.world`
`12.by`
`21.net`
`12.org.ua`
`12.works`
`12.uz`
`21.la`
`21.ag`
`21.diamonds`
`21.cn`
`21.de`
`21.training`
`12.com`
`21.ca`
`12.ca`
`21.construction`
`21.org`
`12.sh.cn`
`12.ru`
`21.co.uk`
`12.limo`
`21.vc`
`21.am`
`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`

AI analysis

The parent of host names 65.21.139.87.in-addr.arpa, 112.21.139.87.in-addr.arpa, 38.21.139.87.in-addr.arpa, 235.21.139.87.in-addr.arpa, 7.21.139.87.in-addr.arpa, and a few others is 21.139.87.in-addr.arpa.

Two name servers, pns.dtag.de and secondary007.dtag.net, are delegated to 21.139.87.in-addr.arpa.

The name server setup of 21.139.87.in-addr.arpa is shared with other domains such as 248.241.93.in-addr.arpa, 101.153.80.in-addr.arpa, 25.184.212.in-addr.arpa, 133.5.217.in-addr.arpa, and 7.151.80.in-addr.arpa.

Name servers of 21.139.87.in-addr.arpa are at least partially shared with other domains such as sealpacglobe.eu, tzlive.de, wolfcraft.it, caritas-frankfurt.de, and max-2b.info.

The name servers ns1.telekom.net, secondary006.dtag.net, secondary004.dtag.net, s2vg300ns02.pzd-svn.de, s2vg300ns03.pzd-svn.de, ns.cnuv.de, pns.merkur-online.de, ns1.itzbund.de, and ns2.itzbund.de are frequently utilized in conjunction.

pns.dtag.de and secondary007.dtag.net each point to two IP numbers. For pns.dtag.de, these are 2003:40:8000::100 and 194.25.0.125, while for secondary007.dtag.net, they are 2a00:fa8:3:0:100:0:7:1 and 195.244.245.24.

dbq