DNSWHOIS.INFO - 211.21.72.in-addr.arpa

Search for IP or hostnames:

211.21.72.in-addr.arpa checked at 2025-09-06T01:40:00.673Z 98ms 61/61/61 100% R:11

`211.21.72.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^{🇺🇸 AS399159}
			PTR	`dns-01.ultradns2.org`

`21.72.in-addr.arpa`

Up
`197.211.21.72.in-addr.arpa`
`128.211.21.72.in-addr.arpa`
`229.211.21.72.in-addr.arpa`
`137.211.21.72.in-addr.arpa`
`143.211.21.72.in-addr.arpa`

Starts with same word
`211.ltd`
`211.one`
`211.life`
`211.university`
`211.cn`
`211.mx`
`211.ph`
`211.in-addr.arpa`
`211.tw`
`211.online`
`211.in`
`211.net`
`211.de`
`211.su`
`211.es`
`211.se`
`211.ro`
`211.la`
`211.ca`
`211.chat`
`211.com.ua`
`211.ru`
`211.info`
`211.tel`
`211.city`
`211.co`
`211.nl`
`211.eu`
`211.us`
`211.cz`
`211.dk`
`211.ir`
`211.nyc`
`211.cc`
`211.org`
`211.it`

Starts similarily
`112.co`
`121.sk`
`211.mx`
`112.ir`
`112.ca`
`112.ski`
`121.com`
`112.dk`
`112.network`
`211.ph`
`121.li`
`112.com.vn`
`121.cool`
`121.me`
`112.es`
`112.ge`
`121.education`
`112.vn`
`112.today`
`211.in-addr.arpa`
`121.cm`
`112.hu`
`112.toys`
`121.lt`
`211.tw`
`112.lt`
`121.fm`
`112.ro`
`211.online`
`112.cz`
`211.in`
`112.cc`
`112.la`
`121.coach`
`211.net`
`112.social`
`121.co.uk`
`112.su`
`112.fi`
`112.in-addr.arpa`
`121.in-addr.arpa`
`121.digital`
`112.ie`
`121.cafe`
`211.de`
`211.su`
`112.barcelona`
`112.biz`
`121.jp`
`211.es`
`121.nu`
`121.wtf`
`211.se`
`112.ua`
`112.ru`
`121.it`
`121.com.cn`
`211.ro`
`211.la`
`211.ca`
`121.im`
`211.chat`
`211.com.ua`
`121.news`
`112.tv`
`112.mine.nu`
`121.com.pl`
`121.support`
`121.global`
`121.zone`
`112.pt`
`112.press`
`112.hr`
`112.de`
`121.design`
`121.at`
`112.md`
`112.agency`
`112.kiev.ua`
`211.ru`
`112.fm`
`121.mx`
`211.info`
`121.expert`
`121.com.tw`
`112.li`
`112.com.pl`
`211.tel`
`112.org`
`211.city`
`121.ws`
`112.pl`
`121.ag`
`112.life`
`112.cl`
`112.diamonds`
`211.co`
`112.wf`
`112.gov.pl`
`121.am`

AI analysis

The parent of 197.211.21.72.in-addr.arpa, 128.211.21.72.in-addr.arpa, 229.211.21.72.in-addr.arpa, 137.211.21.72.in-addr.arpa, and 143.211.21.72.in-addr.arpa is 211.21.72.in-addr.arpa.

The delegation of 211.21.72.in-addr.arpa is to five name servers: x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org, and x4.amazonaws.org.

Name servers of 211.21.72.in-addr.arpa are at least partially shared with other domains such as goodies.co, seton.com.cn, arnoldporter.com, jacksonhewitt.com, and neomarker.com.

The name servers pdns3.ultradns.org, pdns5.ultradns.info, pdns2.ultradns.net, pdns4.ultradns.org, pdns6.ultradns.co.uk, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, and a1-5.akam.net are frequently used in tandem.

IP address for x1.amazonaws.com is 156.154.64.10.

IP address for x2.amazonaws.com is 156.154.65.10.

pdns1.ultradns.net is associated with two IP addresses: 2001:502:f3ff::1 and 204.74.108.1.

IP address for x3.amazonaws.org is 156.154.150.1.

IP address for x4.amazonaws.org is 204.74.120.1.

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