CF1757256709090-tsm20250907140122

DNSWHOIS.INFO - 51.21.216.in-addr.arpa

Search for IP or hostnames:

51.21.216.in-addr.arpa checked at 2025-09-07T14:51:49.070Z 3876ms 42/42/42 100% R:20

`51.21.216.in-addr.arpa`

	NS	`ns1.firstcomm.com`
			A	208.40.1.6^{🇺🇸 First Communications}
				PTR	`ns1.firstcomm.com`
	NS	`ns2.firstcomm.com`
			A	168.92.1.6^{🇺🇸 RoadRunner}
				PTR	`ns2.firstcomm.com`

`21.216.in-addr.arpa`

Up
`146.51.21.216.in-addr.arpa`

Starts with same word
`51.dp.ua`
`51.com`
`51.wf`
`51.ph`
`51.se`
`51.com.br`
`51.com.tr`
`51.ws`
`51.com.hk`
`51.lt`
`51.hu`
`51.wtf`
`51.world`
`51.com.tw`
`51.de`
`51.cz`
`51.chat`
`51.win`
`51.ru`
`51.gs`
`51.is`
`51.eu`
`51.cool`
`51.biz`
`51.no`
`51.vg`
`51.tv`
`51.net.cn`
`51.gold`
`51.be`
`51.org`
`51.su`
`51.am`
`51.ie`
`51.co`
`51.cc`
`51.fr`
`51.pl`
`51.ca`
`51.nu`
`51.fyi`
`51.al`
`51.com.ua`
`51.lv`
`51.net`
`51.la`
`51.in-addr.arpa`
`51.fi`
`51.school`
`51.bet`
`51.hk`
`51.ro`

Starts similarily
`51.ph`
`51.se`
`51.com.br`
`51.com.tr`
`51.ws`
`15.gold`
`15.tel`
`51.com.hk`
`51.lt`
`15.cn`
`51.hu`
`15.nl`
`15.ie`
`51.wtf`
`15.com.ua`
`15.in-addr.arpa`
`51.world`
`51.com.tw`
`51.de`
`15.ro`
`15.hk`
`51.cz`
`51.chat`
`15.am`
`15.ae`
`51.win`
`51.ru`
`15.graphics`
`51.gs`
`15.io`
`51.is`
`15.app`
`15.biz`
`51.eu`
`51.cool`
`15.com.tr`
`51.biz`
`51.no`
`51.vg`
`51.tv`
`15.ca`
`15.uk`
`15.cl`
`15.rs`
`51.net.cn`
`51.gold`
`51.be`
`51.org`
`15.wtf`
`15.fyi`
`15.net`
`15.cz`
`51.su`
`51.am`
`15.sk`
`51.ie`
`51.co`
`51.cc`
`51.fr`
`15.su`
`51.pl`
`15.no`
`51.ca`
`51.nu`
`15.is`
`15.eu`
`15.by`
`51.fyi`
`15.ai`
`15.business`
`15.org.ua`
`51.al`
`51.com.ua`
`15.football`
`15.be`
`51.lv`
`15.fi`
`15.tt`
`51.net`
`51.la`
`15.com`
`51.in-addr.arpa`
`15.org`
`51.fi`
`51.school`
`51.bet`
`15.chat`
`15.la`
`51.hk`
`15.com.mx`
`51.ro`
`15.ph`
`51.dp.ua`
`51.com`
`15.lv`
`15.de`
`51.wf`

AI analysis

The parent of 146.51.21.216.in-addr.arpa is 51.21.216.in-addr.arpa.

Two name servers, ns1.firstcomm.com and ns2.firstcomm.com, are delegated to 51.21.216.in-addr.arpa.

The name server setup for 51.21.216.in-addr.arpa is shared with several other domains such as 160.244.66.in-addr.arpa, 92.206.67.in-addr.arpa, hadley-school.org, 37.222.74.in-addr.arpa, and 77.146.216.in-addr.arpa.

The domain 51.21.216.in-addr.arpa shares name servers, at least partially, with other domains such as 223.7.69.in-addr.arpa, 219.7.69.in-addr.arpa, 213.7.69.in-addr.arpa, 100.93.168.in-addr.arpa, and 209.7.69.in-addr.arpa.

The name servers ns3.cimcoisp.net, ns4.cimcoisp.net, ns1.interacs.net, ns2.interacs.net, and ns3.interacs.net are frequently utilized in conjunction.

ns1.firstcomm.com and ns2.firstcomm.com both point to their respective IP numbers: 208.40.1.6 and 168.92.1.6.

dbq

TNLQzAu CF johedugfp 2025-09-07