DNSWHOIS.INFO - 221.50.in-addr.arpa

Search for IP or hostnames:

221.50.in-addr.arpa checked at 2025-10-17T12:54:41.997Z 101ms 74/74/74 100% R:12

`221.50.in-addr.arpa`

NS	`dns101.comcast.net`
		A	2001:558:fe23:8:69:252:250:103 ^{🇺🇸 Comcast}
			PTR	`dns101.comcast.net`
		A	69.252.250.103^{🇺🇸 Comcast}
			PTR	`dns101.comcast.net`
NS	`dns102.comcast.net`
		A	2001:558:1004:7:68:87:85:132 ^{🇺🇸 Comcast}
			PTR	`dns102.comcast.net`
		A	68.87.85.132^{🇺🇸 Comcast}
			PTR	`dns102.comcast.net`
NS	`dns103.comcast.net`
		A	2001:558:1014:c:68:87:76:228 ^{🇺🇸 Comcast}
			PTR	`dns103.comcast.net`
		A	68.87.76.228^{🇺🇸 Comcast}
			PTR	`dns103.comcast.net`
NS	`dns104.comcast.net`
		A	2001:558:100a:5:68:87:68:244 ^{🇺🇸 Comcast}
			PTR	`dns104.comcast.net`
		A	68.87.68.244^{🇺🇸 Comcast}
			PTR	`dns104.comcast.net`
NS	`dns105.comcast.net`
		A	2001:558:100e:5:68:87:72:244 ^{🇺🇸 Comcast}
			PTR	`dns105.comcast.net`
		A	68.87.72.244^{🇺🇸 Comcast}
			PTR	`dns105.comcast.net`

`50.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

24.221.50.in-addr.arpa

22.221.50.in-addr.arpa

68.221.50.in-addr.arpa

39.221.50.in-addr.arpa

Starts with same word

221.ru

221.la

221.org

221.co.uk

221.money

221.cz

221.cn

221.it

221.life

221.com.ua

221.us

221.one

221.net

221.es

221.co

221.de

221.in-addr.arpa

221.tel

221.com

Starts similarily

212.us

212.bz

221.ru

122.gov.cn

122.ph

212.in

212.se

221.la

122.de

221.org

221.co.uk

122.lv

212.fund

212.church

212.ca

212.jetzt

212.run

221.money

212.one

212.com.mx

212.email

212.lt

221.cz

122.fyi

212.graphics

221.cn

212.com

122.it

122.nl

212.vin

122.su

212.mx

122.cl

221.it

122.ch

212.com.tr

212.cc

122.city

212.by

212.ru

122.eu

212.in-addr.arpa

212.photos

212.amsterdam

212.fr

212.me

212.guide

221.life

221.com.ua

122.be

212.guru

212.com.cn

212.net

122.at

212.tel

122.cn

221.us

122.kim

212.sk

221.one

122.run

122.co.il

122.co

212.at

212.ph

122.biz

122.dk

212.insure

221.net

212.com.ua

122.ru

221.es

122.ltd

221.co

122.one

212.group

221.de

212.plumbing

212.codes

212.ua

212.de

122.cz

212.nl

122.cc

122.info

212.vc

212.ch

212.kr

212.mobi

122.vn

221.in-addr.arpa

221.tel

212.pl

122.in-addr.arpa

212.dk

212.ws

122.us

122.in

212.lv

221.com

AI analysis

221.50.in-addr.arpa is parent of 24.221.50.in-addr.arpa, 22.221.50.in-addr.arpa, 68.221.50.in-addr.arpa and 39.221.50.in-addr.arpa.

221.50.in-addr.arpa is delegated to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

At least part of the name servers for 221.50.in-addr.arpa are shared with other domains, for instance 128.25.76.in-addr.arpa, 152.210.98.in-addr.arpa, 231.222.98.in-addr.arpa, 230.59.98.in-addr.arpa and 34.251.69.in-addr.arpa.

Host names with two IP numbers: dns101.comcast.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103; dns102.comcast.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132; dns103.comcast.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228; dns104.comcast.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244; dns105.comcast.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244.

dbq