DNSWHOIS.INFO - 206.21.72.in-addr.arpa

Search for IP or hostnames:

206.21.72.in-addr.arpa checked at 2025-09-06T01:53:36.556Z 139ms 61/61/61 100% R:10

`206.21.72.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
`80.206.21.72.in-addr.arpa`
`83.206.21.72.in-addr.arpa`
`37.206.21.72.in-addr.arpa`
`84.206.21.72.in-addr.arpa`
`135.206.21.72.in-addr.arpa`
`38.206.21.72.in-addr.arpa`
`34.206.21.72.in-addr.arpa`
`121.206.21.72.in-addr.arpa`
`53.206.21.72.in-addr.arpa`
`70.206.21.72.in-addr.arpa`
`131.206.21.72.in-addr.arpa`
`97.206.21.72.in-addr.arpa`
`133.206.21.72.in-addr.arpa`
`233.206.21.72.in-addr.arpa`
`31.206.21.72.in-addr.arpa`
`129.206.21.72.in-addr.arpa`
`155.206.21.72.in-addr.arpa`
`30.206.21.72.in-addr.arpa`
`96.206.21.72.in-addr.arpa`

Starts with same word
`206.net`
`206.cz`
`206.ch`
`206.club.tw`
`206.us`
`206.ru`
`206.bet`
`206.in-addr.arpa`
`206.me`
`206.cn`
`206.tw`
`206.com.au`
`206.it`
`206.ph`
`206.insure`
`206.es`
`206.com`
`206.at`
`206.eu`
`206.pl`
`206.tv`
`206.cc`
`206.jp`
`206.aero`
`206.ca`
`206.co.uk`
`206.ws`
`206.de`

Starts similarily
`260.co.uk`
`620.es`
`026.ltd`
`602.com.cn`
`062.ua`
`620.eu`
`062.tv`
`260.net`
`620.in`
`620.com`
`062.be`
`062.pl`
`206.net`
`206.cz`
`026.net`
`260.ru`
`620.org`
`206.ch`
`602.jp`
`206.club.tw`
`062.it`
`206.us`
`026.us`
`260.co`
`620.biz`
`206.ru`
`062.de`
`026.ru`
`620.net`
`026.org`
`026.info`
`062.info`
`602.run`
`602.info`
`260.ro`
`602.fr`
`206.bet`
`062.nl`
`206.in-addr.arpa`
`602.eu`
`602.cz`
`062.at`
`206.me`
`620.cn`
`602.cc`
`062.in.ua`
`206.cn`
`602.tech`
`260.com`
`062.ltd`
`620.us`
`026.one`
`260.la`
`206.tw`
`620.de`
`206.com.au`
`260.me`
`620.ch`
`602.in`
`260.ch`
`062.eu`
`062.ir`
`260.fr`
`260.de`
`062.cn`
`026.it`
`062.us`
`602.me`
`026.jp`
`602.com`
`062.co.uk`
`026.nl`
`602.bet`
`062.one`
`062.in`
`602.sk`
`206.it`
`062.co`
`620.it`
`026.tw.cn`
`206.ph`
`026.se`
`206.insure`
`602.de`
`206.es`
`206.com`
`206.at`
`206.eu`
`602.us`
`026.co.uk`
`602.net`
`602.at`
`620.ph`
`602.org`
`602.ph`
`620.is`
`206.pl`
`206.tv`
`260.us`
`206.cc`
`206.jp`
`260.tv`
`026.rs`
`602.se`
`062.fr`
`206.aero`
`062.com`
`062.ca`
`620.cc`
`062.org`
`206.ca`
`602.org.cn`
`620.ca`
`620.co.uk`
`260.ph`
`026.fr`

AI analysis

Host names 80.206.21.72.in-addr.arpa, 83.206.21.72.in-addr.arpa, 37.206.21.72.in-addr.arpa, 84.206.21.72.in-addr.arpa, 135.206.21.72.in-addr.arpa and a few others, all have 206.21.72.in-addr.arpa as their parent.

The delegation of 206.21.72.in-addr.arpa is to five name servers: x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org, and x4.amazonaws.org.

Other domains, such as nisbets.fr, socialcalendar.com, 112.65.18.in-addr.arpa, emailroamans.com, and primark.sk, share at least a part of their name servers with 206.21.72.in-addr.arpa.

The name servers pdns3.ultradns.org, pdns5.ultradns.info, pdns2.ultradns.net, pdns4.ultradns.org, pdns6.ultradns.co.uk, udns1.ultradns.net, udns2.ultradns.net, dns1.p01.nsone.net, dns2.p01.nsone.net, and dns3.p01.nsone.net are commonly utilized together.

x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org, and x4.amazonaws.org all point to different IP numbers. x1.amazonaws.com points to 156.154.64.10, x2.amazonaws.com to 156.154.65.10, pdns1.ultradns.net to 2001:502:f3ff::1 and 204.74.108.1, x3.amazonaws.org to 156.154.150.1, and x4.amazonaws.org to 204.74.120.1.

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