DNSWHOIS.INFO - 21.17.37.in-addr.arpa

Search for IP or hostnames:

21.17.37.in-addr.arpa checked at 2025-10-19T20:54:19.134Z 136ms 70/70/70 100% R:12

`21.17.37.in-addr.arpa`

MX	`mail01.a1.by`
		A	77.74.32.22^{🇧🇾 Velcom}
			PTR	`mail01.a1.by`
MX	`mail02.a1.by`
		A	77.74.32.23^{🇧🇾 Velcom}
			PTR	`mail02.a1.by`
NS	`ns1.a1.by`
		A	77.74.32.42^{🇧🇾 Velcom}
			PTR	`ns1.a1.by`
NS	`ns2.a1.by`
		A	77.74.32.11^{🇧🇾 Velcom}
			PTR	`ns2.a1.by`
NS	`ns3.a1.by`
		A	178.163.161.230^{🇧🇾 Velcom}
			PTR	`ns3.a1.by`
NS	`ns4.a1.by`
		A	37.17.118.142^{🇧🇾 Velcom}
			PTR	`ns4.a1.by`

`17.37.in-addr.arpa`

Up

76.21.17.37.in-addr.arpa

140.21.17.37.in-addr.arpa

Starts with same word

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.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

21.run

21.pw

21.org.cn

21.net

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

Starts similarily

21.co

21.biz

21.lv

21.ru

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

21.pw

12.world

21.org.cn

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.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

AI analysis

21.17.37.in-addr.arpa is a parent of 76.21.17.37.in-addr.arpa and 140.21.17.37.in-addr.arpa.

21.17.37.in-addr.arpa's delegation is handled by four name servers: ns1.a1.by, ns2.a1.by, ns3.a1.by and ns4.a1.by.

21.17.37.in-addr.arpa partially shares name servers with other domains; examples include 118.17.37.in-addr.arpa, 74.17.37.in-addr.arpa, wwwvelcom.by, 29.17.37.in-addr.arpa and 101.17.37.in-addr.arpa.

Host names with one IP:

ns1.a1.by points to 77.74.32.42

ns2.a1.by points to 77.74.32.11

ns3.a1.by points to 178.163.161.230

ns4.a1.by points to 37.17.118.142

21.17.37.in-addr.arpa is handled by two mail servers: mail01.a1.by and mail02.a1.by.

21.17.37.in-addr.arpa has the same mail server setup as other domains, including 78.17.37.in-addr.arpa, 33.17.37.in-addr.arpa, 63.17.37.in-addr.arpa, 73.17.37.in-addr.arpa and 38.17.37.in-addr.arpa.

Host names with one IP number: The host name mail01.a1.by points to 77.74.32.22 and the host name mail02.a1.by points to 77.74.32.23.

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