DNSWHOIS.INFO - 21.196.in-addr.arpa

Search for IP or hostnames:

21.196.in-addr.arpa checked at 2025-09-07T04:26:41.425Z 682ms 64/64/64 100% R:33

`21.196.in-addr.arpa`

NS	`ns1.tenet.ac.za`
		A	2001:4200:ffff:a::51 ^{🇿🇦 Tertiary Education and Research Network of South Africa}
			PTR	`ns1.tenet.ac.za`
		A	196.21.79.51^{🇿🇦 Tertiary Education and Research Network of South Africa}
NS	`ns2.tenet.ac.za`
		A	2001:4200:0:192a::20 ^{🇿🇦 Tertiary Education and Research Network of South Africa}
			PTR	`ns2.tenet.ac.za`
		A	155.232.192.20^{🇿🇦 Tertiary Education and Research Network of South Africa}
			PTR	`ns2.tenet.ac.za`
NS	`ns3.tenet.ac.za`
		A	2a02:2770:17:0:21a:4aff:fe2e:48b9 ^{🇳🇱 Tilaa BV}
			PTR	`ns3.tenet.ac.za`
		A	84.22.105.134^{🇳🇱 Tilaa BV}
			PTR	`ns3.tenet.ac.za`
NS	`ns4.tenet.ac.za`
		A	2c0f:f850:dc05:ea57:1:388c:0:1 ^{🇿🇦 DIAMATRIX}
			PTR	`ns4.tenet.ac.za`
		A	41.76.109.97^{🇿🇦 DIAMATRIX}
			PTR	`ns4.tenet.ac.za`

`196.in-addr.arpa`

	NS	`ns1.afrinic.net`
	NS	`ns2.afrinic.net`
	NS	`ns3.afrinic.net`
	NS	`ns4.apnic.net`
	NS	`rirns.arin.net`
	NS	`ns3.lacnic.net`
	NS	`afrinic.authdns.ripe.net`

Up
`68.21.196.in-addr.arpa`
`192.21.196.in-addr.arpa`
`183.21.196.in-addr.arpa`
`92.21.196.in-addr.arpa`
`78.21.196.in-addr.arpa`
`71.21.196.in-addr.arpa`
`80.21.196.in-addr.arpa`
`104.21.196.in-addr.arpa`
`125.21.196.in-addr.arpa`
`132.21.196.in-addr.arpa`
`233.21.196.in-addr.arpa`
`199.21.196.in-addr.arpa`
`242.21.196.in-addr.arpa`
`144.21.196.in-addr.arpa`
`181.21.196.in-addr.arpa`
`91.21.196.in-addr.arpa`
`188.21.196.in-addr.arpa`
`198.21.196.in-addr.arpa`
`38.21.196.in-addr.arpa`
`56.21.196.in-addr.arpa`
`230.21.196.in-addr.arpa`
`99.21.196.in-addr.arpa`
`39.21.196.in-addr.arpa`
`64.21.196.in-addr.arpa`
`206.21.196.in-addr.arpa`
`79.21.196.in-addr.arpa`
`8.21.196.in-addr.arpa`
`229.21.196.in-addr.arpa`
`241.21.196.in-addr.arpa`
`240.21.196.in-addr.arpa`
`185.21.196.in-addr.arpa`
`195.21.196.in-addr.arpa`
`32.21.196.in-addr.arpa`
`40.21.196.in-addr.arpa`
`194.21.196.in-addr.arpa`
`210.21.196.in-addr.arpa`
`98.21.196.in-addr.arpa`
`124.21.196.in-addr.arpa`
`72.21.196.in-addr.arpa`
`157.21.196.in-addr.arpa`
`118.21.196.in-addr.arpa`
`88.21.196.in-addr.arpa`

Starts with same word
`21.run`
`21.net`
`21.la`
`21.ag`
`21.diamonds`
`21.cn`
`21.de`
`21.training`
`21.ca`
`21.construction`
`21.org`
`21.co.uk`
`21.vc`
`21.am`
`21.rs`
`21.com`
`21.bet`
`21.center`
`21.kz`
`21.web.app`
`21.su`
`21.network`
`21.si`
`21.gen.tr`
`21.ph`
`21.is`
`21.be`
`21.com.ua`
`21.pe`
`21.edu.ar`
`21.gg`
`21.capital`
`21.dk`
`21.email`
`21.sk`
`21.immo`
`21.cz`
`21.style`
`21.nl`
`21.agency`
`21.co`
`21.biz`
`21.lv`
`21.ru`
`21.co.za`
`21.finance`
`21.ax`
`21.nu`
`21.business`
`21.casino`
`21.pl`
`21.ee`
`21.tv`
`21.partners`
`21.to`
`21.ie`
`21.photos`
`21.cc`
`21.fr`
`21.by`
`21.com.es`
`21.life`

Starts similarily
`12.ws`
`12.s3.amazonaws.com`
`21.web.app`
`21.su`
`21.network`
`21.si`
`21.gen.tr`
`21.ph`
`12.lv`
`21.is`
`21.be`
`21.com.ua`
`12.cl`
`12.ph`
`12.ma`
`12.rs`
`21.pe`
`21.edu.ar`
`21.gg`
`21.capital`
`12.de`
`12.in-addr.arpa`
`21.dk`
`12.ag`
`21.email`
`12.kz`
`12.ie`
`12.com.ua`
`21.sk`
`12.cz`
`21.immo`
`12.eu`
`21.cz`
`12.uk`
`12.life`
`21.style`
`12.city`
`12.dk`
`21.nl`
`21.agency`
`12.org.ru`
`12.nu`
`21.co`
`21.biz`
`21.lv`
`21.ru`
`21.co.za`
`12.ai`
`21.finance`
`12.hk`
`21.ax`
`12.amsterdam`
`12.fr`
`21.nu`
`21.business`
`12.vc`
`21.casino`
`21.pl`
`21.ee`
`12.am`
`12.agency`
`12.digital`
`12.ac.cn`
`12.lt`
`21.tv`
`12.si`
`21.partners`
`21.to`
`21.ie`
`21.photos`
`21.cc`
`12.be`
`12.fi`
`12.cc`
`12.is`
`21.fr`
`12.chat`
`21.by`
`12.solutions`
`12.dyndns.tv`
`21.com.es`
`21.life`
`12.cm`
`21.run`
`12.world`
`12.by`
`21.net`
`12.org.ua`
`12.works`
`12.uz`
`21.la`
`21.ag`
`21.diamonds`
`21.cn`
`21.de`
`21.training`
`21.ca`
`12.ca`
`21.construction`
`21.org`
`12.sh.cn`
`12.ru`
`21.co.uk`
`12.limo`
`21.vc`
`21.am`
`12.biz`
`21.rs`
`12.to`
`21.com`
`12.net`
`12.la`
`21.bet`
`12.at`
`21.center`
`21.kz`

AI analysis

The parent of host names 68.21.196.in-addr.arpa, 192.21.196.in-addr.arpa, 183.21.196.in-addr.arpa, 92.21.196.in-addr.arpa, 78.21.196.in-addr.arpa, and a few others is 21.196.in-addr.arpa.

Four name servers, ns1.tenet.ac.za, ns2.tenet.ac.za, ns3.tenet.ac.za, and ns4.tenet.ac.za, are delegated to 21.196.in-addr.arpa.

Name servers of 21.196.in-addr.arpa are at least partially shared with other domains such as nren.ac.za, safire.ac.za, 48-63.79.21.196.in-addr.arpa, perfsonar.ac.za, and 24.196.in-addr.arpa.

ns1.tenet.ac.za, ns2.tenet.ac.za, ns3.tenet.ac.za, and ns4.tenet.ac.za each point to two IP numbers respectively: 2001:4200:ffff:a::51, 196.21.79.51; 2001:4200:0:192a::20, 155.232.192.20; 2a02:2770:17:0:21a:4aff:fe2e:48b9, 84.22.105.134; 2c0f:f850:dc05:ea57:1:388c:0:1, 41.76.109.97.

dbq