DNSWHOIS.INFO - 21.co

Search for IP or hostnames:

21.co checked at 2025-09-05T22:09:34.651Z 201ms 157/157/157 100% R:16

`21.co`

MX	`smtp.google.com`
		A	2a00:1450:400c:c04::1a ^{🇧🇪 Google}
			PTR	`wk-in-f26.1e100.net`
			PTR	`wk-in-x1a.1e100.net`
		A	2a00:1450:400c:c04::1b ^{🇧🇪 Google}
			PTR	`wk-in-f27.1e100.net`
			PTR	`wk-in-x1b.1e100.net`
		A	2a00:1450:400c:c0b::1a ^{🇧🇪 Google}
			PTR	`wa-in-f26.1e100.net`
			PTR	`wa-in-x1a.1e100.net`
		A	2a00:1450:400c:c0b::1b ^{🇧🇪 Google}
			PTR	`wa-in-f27.1e100.net`
			PTR	`wa-in-x1b.1e100.net`
		A	64.233.167.27^{🇺🇸 Google}
			PTR	`wl-in-f27.1e100.net`
		A	64.233.184.26^{🇺🇸 Google}
			PTR	`wa-in-f26.1e100.net`
		A	64.233.184.27^{🇺🇸 Google}
			PTR	`wa-in-f27.1e100.net`
		A	74.125.206.26^{🇺🇸 Google}
			PTR	`wk-in-f26.1e100.net`
		A	74.125.206.27^{🇺🇸 Google}
			PTR	`wk-in-f27.1e100.net`
NS	`armfazh.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c68 ^{🇺🇸 Cloudflare}
			PTR	`armfazh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c368 ^{🇨🇷 Cloudflare}
			PTR	`armfazh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2368 ^{🇺🇸 Cloudflare}
			PTR	`armfazh.ns.cloudflare.com`
		A	108.162.195.104^{🇺🇸 Cloudflare}
			PTR	`armfazh.ns.cloudflare.com`
		A	162.159.44.104^Cloudflare
			PTR	`armfazh.ns.cloudflare.com`
		A	172.64.35.104^{🇺🇸 Cloudflare}
			PTR	`armfazh.ns.cloudflare.com`
NS	`desi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a60 ^{🇺🇸 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c060 ^{🇨🇷 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2060 ^{🇺🇸 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
		A	108.162.192.96^{🇺🇸 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
		A	172.64.32.96^{🇺🇸 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
		A	173.245.58.96^{🇺🇸 Cloudflare}
			PTR	`desi.ns.cloudflare.com`
A	18.211.166.153^{🇺🇸 Amazon}
		PTR	`ec2-18-211-166-153.compute-1.amazonaws.com`
A	34.202.203.47^{🇺🇸 Amazon}
		PTR	`ec2-34-202-203-47.compute-1.amazonaws.com`
A	54.243.86.28^{🇺🇸 Amazon}
		PTR	`ec2-54-243-86-28.compute-1.amazonaws.com`

`co`

	NS	`ns1.cctld.co`
	NS	`ns2.cctld.co`
	NS	`ns3.cctld.co`
	NS	`ns4.cctld.co`
	NS	`ns5.cctld.co`
	NS	`ns6.cctld.co`
	NS	`ns7.cctld.co`
	NS	`ns8.cctld.co`

rank #162560 globally
rank #696 in the tld

Up
`onyx.21.co`

Starts with same word
`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`
`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`

Starts similarily
`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`
`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`

AI analysis

The parent of onyx.21.co is 21.co.

The DNS record 21.co resolves to three IP addresses: 18.211.166.153, 34.202.203.47, and 54.243.86.28.

IP numbers are shared between 21.co and other host names such as ncidata.com, lablabs.io, pete.holiday, recstra.com, and smily.com.

Two name servers, armfazh.ns.cloudflare.com and desi.ns.cloudflare.com, have been delegated to 21.co.

The name server setup of 21.co is identical to that of other domains such as lightyearfootwear.com, 21labs.com, blocksense.com, rienow.org, and freematurechatrooms.com.

The name servers of 21.co are at least partially shared with other domains such as copleyscientific.co.uk, ingbet.net, tii.ai, ground-control.co.uk, and adxmedia.co.uk.

The name servers odin.ns.cloudflare.com are frequently utilized in conjunction.

armfazh.ns.cloudflare.com and desi.ns.cloudflare.com each point to six IP numbers respectively: 2606:4700:58::a29f:2c68, 2803:f800:50::6ca2:c368, 2a06:98c1:50::ac40:2368, 108.162.195.104, 162.159.44.104, and 172.64.35.104 for armfazh.ns.cloudflare.com and 2606:4700:50::adf5:3a60, 2803:f800:50::6ca2:c060, 2a06:98c1:50::ac40:2060, 108.162.192.96, 172.64.32.96, and 173.245.58.96 for desi.ns.cloudflare.com.

The mail server, smtp.google.com, handles 21.co.

Like other domains such as moneytransfer.cz, ecnet.in, airedelsur.com, my2cents.info, and speedcubing.org, 21.co also has the same mail server setup.

Domains such as webtotal.dk, autoscar.com.br, datelog.org, ctibh.com.br, and zartaas.com share at least some mail servers partially with 21.co.

The mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com are frequently paired together for use.

smtp.google.com is associated with multiple IP addresses, including 2a00:1450:400c:c04::1a, 2a00:1450:400c:c04::1b, 2a00:1450:400c:c0b::1a, 2a00:1450:400c:c0b::1b, 64.233.167.27, 64.233.184.26, 64.233.184.27, 74.125.206.26, and 74.125.206.27.

dbq