DNSWHOIS.INFO - 4.21.89.in-addr.arpa

Search for IP or hostnames:

4.21.89.in-addr.arpa checked at 2025-10-26T04:15:46.743Z 186ms 97/97/97 100% R:15

`4.21.89.in-addr.arpa`

NS	`edns116.ultradns.biz`
		A	2610:a1:1015::274 ^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.biz`
		A	204.74.67.116^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.biz`
NS	`edns116.ultradns.com`
		A	2001:502:f3ff::274 ^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.com`
		A	204.74.66.116^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.com`
MX	`mx0.ukgrid.net`
		A	89.21.28.41^{🇬🇧 Equinix}
			PTR	`mx0.ukgrid.net`
MX	`mx1.ukgrid.net`
		A	89.21.28.40^{🇬🇧 Equinix}
			PTR	`mx1.ukgrid.net`
NS	`edns116.ultradns.net`
		A	2610:a1:1014::274 ^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.net`
		A	204.74.110.116^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.net`
NS	`edns116.ultradns.org`
		A	2001:502:4612::274 ^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.org`
		A	204.74.111.116^{🇺🇸 Neustar}
			PTR	`edns116.ultradns.org`
A	89.107.17.204^{🇳🇱 Equinix}
		PTR	`ukgrid.net`

`21.89.in-addr.arpa`

Up

203.4.21.89.in-addr.arpa

Starts with same word

4.ws

4.srl

4.mk

4.dev

4.net.mt

4.kids

4.ms

4.ph

4.fm

4.kz

4.bio

4.city

4.ai

4.asia

4.cm

4.to

4.cn

4.ua

4.azurestaticapps.net

4.s3.eu-central-1.amazonaws.com

4.fr

4.co

4.biz

4.cash

4.tm

4.cx

4.gp

4.kg

4.me

4.com.vn

4.com.ua

4.domains

4.uy

4.dk

4.s3-website-us-east-1.amazonaws.com

4.casino

4.fashion

4.gs.cn

4.sv

4.ro

4.fitness

4.mr

4.je

4.wedding

4.cc

4.amsterdam

4.cl

4.gold

4.he.cn

4.church

4.cz

4.s3.amazonaws.com

4.dating

4.plus

4.githubusercontent.com

4.pl

4.ly

4.bj.cn

4.gg

4.my

4.ln.cn

4.events

4.in-addr.arpa

4.toys

4.tv

4.org

4.vg

4.de

Starts similarily

4.cash

4.tm

4.cx

4.gp

4.kg

4.me

4.com.vn

4.com.ua

4.domains

4.uy

4.dk

4.s3-website-us-east-1.amazonaws.com

4.casino

4.fashion

4.gs.cn

4.sv

4.ro

4.fitness

4.mr

4.je

4.wedding

4.cc

4.amsterdam

4.cl

4.gold

4.he.cn

4.church

4.cz

4.s3.amazonaws.com

4.dating

4.plus

4.githubusercontent.com

4.pl

4.ly

4.bj.cn

4.gg

4.my

4.ln.cn

4.events

4.in-addr.arpa

4.toys

4.tv

4.org

4.vg

4.de

4.ws

4.srl

4.mk

4.dev

4.net.mt

4.kids

4.ms

4.ph

4.fm

4.kz

4.bio

4.city

4.ai

4.asia

4.cm

4.to

4.cn

4.ua

4.azurestaticapps.net

4.s3.eu-central-1.amazonaws.com

4.fr

4.co

4.biz

AI analysis

The parent of 203.4.21.89.in-addr.arpa is 4.21.89.in-addr.arpa.

4.21.89.in-addr.arpa points to a single IP number: 89.107.17.204.

Other host names, for instance 7.21.89.in-addr.arpa, 22.21.89.in-addr.arpa, 17.21.89.in-addr.arpa, 18.21.89.in-addr.arpa and 28.21.89.in-addr.arpa share IP numbers with 4.21.89.in-addr.arpa.

4.21.89.in-addr.arpa is delegated to four name servers: edns116.ultradns.biz, edns116.ultradns.com, edns116.ultradns.net and edns116.ultradns.org.

4.21.89.in-addr.arpa shares name servers with other domains at least partially, for instance 91.84.88.in-addr.arpa, 61.220.216.in-addr.arpa, 0.177.183.in-addr.arpa, sinergyrh.com.br and 223.177.202.in-addr.arpa.

Host names with two IP numbers:

edns116.ultradns.biz resolves to 2610:a1:1015::274 and 204.74.67.116.

edns116.ultradns.com resolves to 2001:502:f3ff::274 and 204.74.66.116.

edns116.ultradns.net resolves to 2610:a1:1014::274 and 204.74.110.116.

edns116.ultradns.org resolves to 2001:502:4612::274 and 204.74.111.116.

4.21.89.in-addr.arpa is handled by two mail servers: mx0.ukgrid.net and mx1.ukgrid.net.

4.21.89.in-addr.arpa shares the same mail server setup as other domains, including 25.21.89.in-addr.arpa, ukgrid.net, 7.21.89.in-addr.arpa, 22.21.89.in-addr.arpa and 17.21.89.in-addr.arpa.

Host names with one IP number:

mx0.ukgrid.net points to: 89.21.28.41.

mx1.ukgrid.net points to: 89.21.28.40.

dbq