DNSWHOIS.INFO - 172.144.75.in-addr.arpa

Search for IP or hostnames:

172.144.75.in-addr.arpa checked at 2025-10-17T05:38:36.684Z 183ms 74/74/74 100% R:10

`172.144.75.in-addr.arpa`

NS	`ns1.comcastbusiness.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	`ns2.comcastbusiness.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	`ns3.comcastbusiness.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	`ns4.comcastbusiness.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	`ns5.comcastbusiness.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`

`144.75.in-addr.arpa`

	NS	`dns101.comcast.net`
	NS	`dns102.comcast.net`
	NS	`dns103.comcast.net`
	NS	`dns104.comcast.net`
	NS	`dns105.comcast.net`

Up

50.172.144.75.in-addr.arpa

51.172.144.75.in-addr.arpa

Starts with same word

172.org

172.in-addr.arpa

172.in

172.co

172.ph

172.ir

172.com

172.one

172.aero

172.de

172.us

172.it

172.tw

172.ca

172.zone

172.ws

172.net

172.hk

172.la

172.nl

172.ch

172.fr

172.jp

Starts similarily

271.xyz

712.de

127.email

712.nl

172.ch

217.tv

127.dk

721.dk

271.com.cn

172.fr

172.jp

721.cc

217.be

271.ir

712.cc

217.cn

172.org

712.it

172.in-addr.arpa

127.cc

271.co

721.studio

172.in

217.co

127.ca

721.co

217.de

127.ch

712.net

721.me

127.ru

712.fr

127.sunnyday.jp

271.ca

217.in-addr.arpa

712.jp

217.dk

127.it

172.co

127.fi

127.fr

172.ph

217.jp

127.wtf

712.cn

172.ir

172.com

172.one

172.aero

172.de

712.run

217.in

712.es

127.la

127.at

271.ph

217.ru

172.us

217.net

127.xxx

172.it

721.ph

271.jp

127.mx

721.cn

721.de

217.fr

127.in-addr.arpa

721.ru

172.tw

217.at

127.run

712.eu

172.ca

127.io

127.ink

712.lt

721.tw

712.com.cn

271.nl

271.spb.ru

271.com

271.ch

127.ath.cx

217.cc

127.pictures

127.jp

271.us

217.waw.pl

271.se

721.org

721.in

721.com

721.ink

217.es

721.net

712.cz

712.com

217.ca

127.cz

AI analysis

172.144.75.in-addr.arpa is a parent of 50.172.144.75.in-addr.arpa and 51.172.144.75.in-addr.arpa.

172.144.75.in-addr.arpa delegates to five name servers: ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net, ns4.comcastbusiness.net and ns5.comcastbusiness.net.

172.144.75.in-addr.arpa at least partially shares name servers with other domains such as 161.165.173.in-addr.arpa, 108.167.173.in-addr.arpa, 231.208.66.in-addr.arpa, 186.92.74.in-addr.arpa and 212.76.96.in-addr.arpa.

Two IPs per host name:

ns1.comcastbusiness.net points to: 2001:558:fe23:8:69:252:250:103 and 69.252.250.103

ns2.comcastbusiness.net points to: 2001:558:1004:7:68:87:85:132 and 68.87.85.132

ns3.comcastbusiness.net points to: 2001:558:1014:c:68:87:76:228 and 68.87.76.228

ns4.comcastbusiness.net points to: 2001:558:100a:5:68:87:68:244 and 68.87.68.244

ns5.comcastbusiness.net points to: 2001:558:100e:5:68:87:72:244 and 68.87.72.244

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

dbq