DNSWHOIS.INFO - 217.21.72.in-addr.arpa

Search for IP or hostnames:

217.21.72.in-addr.arpa checked at 2025-10-17T05:30:50.664Z 1226ms 61/61/61 100% R:11

`217.21.72.in-addr.arpa`

NS	`x1.amazonaws.com`
		A	156.154.64.10^{🇺🇸 Neustar}
			PTR	`u1.amazonaws.com`
NS	`x2.amazonaws.com`
		A	156.154.65.10^{🇺🇸 Neustar}
			PTR	`u2.amazonaws.com`
NS	`pdns1.ultradns.net`
		A	2001:502:f3ff::1 ^{🇺🇸 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`x3.amazonaws.org`
		A	156.154.150.1^{🇺🇸 AS399161}
			PTR	`dns-01.ultradns2.com`
NS	`x4.amazonaws.org`
		A	204.74.120.1^{🇺🇸 AS399160}
			PTR	`dns-01.ultradns2.org`

`21.72.in-addr.arpa`

Up

5.217.21.72.in-addr.arpa

142.217.21.72.in-addr.arpa

Starts with same word

217.cc

217.waw.pl

217.es

217.ca

217.ch

217.ws

217.am

217.church

217.eu

217.com

217.tv

217.be

217.cn

217.co

217.de

217.in-addr.arpa

217.dk

217.jp

217.in

217.ru

217.net

217.fr

217.at

Starts similarily

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

271.de

127.de

127.com

721.info

217.ch

127.us

172.zone

127.co

271.eu

217.ws

127.ws

712.jpn.com

217.am

127.net

217.church

127.me

172.ws

712.ru

172.net

127.one

217.eu

271.cc

172.hk

127.hk

712.us

127.network

127.cn

712.at

217.com

127.no

721.pl

721.cz

271.ru

172.la

172.nl

271.in

721.tv

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

AI analysis

217.21.72.in-addr.arpa is the parent of 5.217.21.72.in-addr.arpa and 142.217.21.72.in-addr.arpa.

217.21.72.in-addr.arpa is delegated to five name servers: x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org and x4.amazonaws.org.

217.21.72.in-addr.arpa at least partially shares name servers with other domains, for instance honda.es, 236.182.216.in-addr.arpa, mail-makemytrip.com, expedia.com.ar and 54.24.78.in-addr.arpa.

These name servers are commonly used with pdns3.ultradns.org, pdns2.ultradns.net, pdns5.ultradns.info, pdns4.ultradns.org and pdns6.ultradns.co.uk.

Host names with two IP numbers: pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1.

Host names with one IP number: x1.amazonaws.com points to 156.154.64.10; x2.amazonaws.com points to 156.154.65.10; x3.amazonaws.org points to 156.154.150.1; x4.amazonaws.org points to 204.74.120.1.

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