DNSWHOIS.INFO - 56.21.216.in-addr.arpa

Search for IP or hostnames:

56.21.216.in-addr.arpa checked at 2025-10-19T13:50:01.266Z 391ms 42/42/42 100% R:11

`56.21.216.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

29.56.21.216.in-addr.arpa

226.56.21.216.in-addr.arpa

233.56.21.216.in-addr.arpa

Starts with same word

56.js.cn

56.vg

56.org

56.com.au

56.digital

56.net

56.amsterdam

56.vc

56.biz

56.ru

56.ro

56.gs

56.cx

56.world

56.cl

56.hk

56.co

56.lt

56.com

56.com.tr

56.chat

56.in-addr.arpa

56.ca

56.org.cn

56.sh.cn

56.fyi

56.am

56.lv

56.nl

56.no

56.se

56.com.hk

56.cc

56.de

56.ph

56.be

56.plus

Starts similarily

65.nl

56.gs

56.cx

65.gold

56.world

56.cl

56.hk

65.amsterdam

56.co

56.lt

65.ws

65.cl

65.fr

56.com

65.ph

56.com.tr

56.chat

56.in-addr.arpa

65.media

65.fi

56.ca

56.org.cn

65.to

65.cm

56.sh.cn

56.fyi

56.am

65.co

65.ms

56.lv

56.nl

56.no

56.se

56.com.hk

65.eu

65.ca

56.cc

56.de

65.hk

56.ph

65.com.au

56.be

56.plus

65.ro

65.pl

65.se

65.dk

56.js.cn

65.sk

65.in-addr.arpa

65.hu

65.cz

56.vg

56.org

56.com.au

65.no

56.digital

56.net

56.amsterdam

56.vc

56.biz

65.de

65.be

56.ru

65.cc

65.lv

56.ro

65.su

65.world

AI analysis

56.21.216.in-addr.arpa is a parent of 29.56.21.216.in-addr.arpa, 226.56.21.216.in-addr.arpa and 233.56.21.216.in-addr.arpa.

56.21.216.in-addr.arpa is delegated to two name servers: ns1.firstcomm.com and ns2.firstcomm.com.

56.21.216.in-addr.arpa uses the same name server setup as other domains, including biz.sta.networkgci.net, 48.21.216.in-addr.arpa, 75.146.216.in-addr.arpa, 139.27.64.in-addr.arpa and 54.222.74.in-addr.arpa.

At least part of the name servers for 56.21.216.in-addr.arpa are shared with other domains, for instance 201.7.69.in-addr.arpa, 217.7.69.in-addr.arpa, 222.7.69.in-addr.arpa, 196.7.69.in-addr.arpa and 223.7.69.in-addr.arpa.

these name servers are commonly used with ns3.cimcoisp.net, ns4.cimcoisp.net, ns1.interacs.net, ns2.interacs.net and ns3.interacs.net.

Hostnames with a single IP

ns1.firstcomm.com resolves to: 208.40.1.6.

ns2.firstcomm.com resolves to: 168.92.1.6.

dbq