CF1757109653138-tsm20250905202113

DNSWHOIS.INFO - 21.co.uk

Search for IP or hostnames:

21.co.uk checked at 2025-09-05T22:00:53.103Z 869ms 129/129/129 100% R:17

`21.co.uk`

	MX	`aspmx2.googlemail.com`
			A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
				PTR	`dj-in-f27.1e100.net`
			A	172.253.116.26^{🇺🇸 Google}
				PTR	`dj-in-f26.1e100.net`
	MX	`aspmx3.googlemail.com`
			A	2a00:1450:400c:c00::1a ^{🇧🇪 Google}
				PTR	`ws-in-f26.1e100.net`
				PTR	`ws-in-x1a.1e100.net`
			A	173.194.76.26^{🇺🇸 Google}
				PTR	`ws-in-f26.1e100.net`
	NS	`b.portsdns.net`
			A	2a00:11c0:3d::1 ^{🇦🇹 Anexia Customers}
				PTR	`b.portsdns.net`
			A	94.16.23.1^{🇦🇹 Anexia Customers}
				PTR	`b.portsdns.net`
	NS	`a.portsdns.se`
			A	2607:f740:e009::1 ^{🇺🇸 NETACTUATE-AS-AP}
				PTR	`a.portsdns.se`
			A	45.54.35.101^{🇺🇸 NETACTUATE-AS-AP}
				PTR	`a.portsdns.se`
	MX	`aspmx.l.google.com`
			A	2a00:1450:400c:c02::1b ^{🇧🇪 Google}
				PTR	`wn-in-f27.1e100.net`
				PTR	`wn-in-x1b.1e100.net`
			A	64.233.184.26^{🇺🇸 Google}
				PTR	`wa-in-f26.1e100.net`
	MX	`mail.21.co.uk`
			A	94.236.7.204^{🇬🇧 RACKSPACE-LON}
	MX	`alt1.aspmx.l.google.com`
			A	2a00:1450:4013:c1c::1a ^{🇳🇱 Google}
				PTR	`yugrqog-in-f26.1e100.net`
			A	192.178.156.26^{🇺🇸 Google}
				PTR	`yugrqog-in-f26.1e100.net`
	MX	`alt2.aspmx.l.google.com`
			A	2a00:1450:4025:c01::1b ^{🇵🇱 Google}
				PTR	`rd-in-f27.1e100.net`
			A	142.250.147.27^{🇺🇸 Google}
				PTR	`rd-in-f27.1e100.net`
	A	45.60.111.67^{🇺🇸 Thales/Imperva}
	A	107.154.133.67^{🇺🇸 Thales/Imperva}

`co.uk`

	NS	`dns1.nic.uk`
	NS	`dns2.nic.uk`
	NS	`dns3.nic.uk`
	NS	`dns4.nic.uk`
	NS	`nsa.nic.uk`
	NS	`nsb.nic.uk`
	NS	`nsc.nic.uk`
	NS	`nsd.nic.uk`

rank #483046 globally
rank #11537 in the tld
rank #172010 globally
rank #3994 in the tld

Up
`media.21.co.uk`
`mail.21.co.uk`
`ads.21.co.uk`

Starts with same word
`21.cc`
`21.fr`
`21.by`
`21.com.es`
`21.life`
`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`

Starts similarily
`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`
`12.com`
`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`
`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`

AI analysis

The parent of media.21.co.uk, mail.21.co.uk, and ads.21.co.uk is 21.co.uk.

21.co.uk refers to two IP addresses: 45.60.111.67 and 107.154.133.67.

The IP numbers of 21.co.uk are also shared with other host names such as slotboss.co.uk, betuk.com, gogocasino.com, xcp5w6s.impervadns.net, and leovegas.dk.

Two name servers, b.portsdns.net and a.portsdns.se, are assigned for 21.co.uk.

Other domains such as subwaysurfers.in, arla.dk, vipercleaning.com, ocoerlikon.jp, and hugoboss-ag.com, share the same name server setup as 21.co.uk.

b.portsdns.net and a.portsdns.se each have two IP numbers assigned: 2a00:11c0:3d::1, 94.16.23.1 for b.portsdns.net and 2607:f740:e009::1, 45.54.35.101 for a.portsdns.se.

Six mail servers, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, mail.21.co.uk, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, are responsible for handling 21.co.uk.

Some mail servers are at least partially shared by 21.co.uk with other domains such as dzoom.org.es, sskew.com, hunkyhoundhandlers.com, musicretreatwillowcreek.com, and aim.ac.in.

The mail servers aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com, and alt4.aspmx.l.google.com are frequently used in conjunction.

aspmx2.googlemail.com points to IP numbers 2a00:1450:400b:c02::1b and 172.253.116.26, aspmx3.googlemail.com points to IP numbers 2a00:1450:400c:c00::1a and 173.194.76.26, aspmx.l.google.com points to IP numbers 2a00:1450:400c:c02::1b and 64.233.184.26, mail.21.co.uk points to IP number 94.236.7.204, alt1.aspmx.l.google.com points to IP numbers 2a00:1450:4013:c1c::1a and 192.178.156.26, and alt2.aspmx.l.google.com points to IP numbers 2a00:1450:4025:c01::1b and 142.250.147.27.

dbq

zCmIxje CF johedugfp 2025-09-05