DNSWHOIS.INFO - 137.231.66.in-addr.arpa

Search for IP or hostnames:

137.231.66.in-addr.arpa checked at 2025-11-05T07:15:01.954Z 213ms 75/75/75 100% R:14

`137.231.66.in-addr.arpa`

NS	`ns-1.gru.net`
		A	209.251.132.98^{🇺🇸 GRUCom}
			PTR	`ns-1.gru.net`
NS	`ns-2.gru.net`
		A	209.251.132.99^{🇺🇸 GRUCom}
			PTR	`ns-2.gru.net`
NS	`ns-3.gru.net`
		A	209.251.132.100^{🇺🇸 GRUCom}
			PTR	`ns-3.gru.net`
NS	`ns-4.gru.net`
		A	209.251.132.101^{🇺🇸 GRUCom}
			PTR	`ns-4.gru.net`
NS	`ns1.gru.net`
		A	209.251.130.11^{🇺🇸 GRUCom}
			PTR	`gc1.gru.net`
NS	`ns2.gru.net`
		A	209.251.130.21^{🇺🇸 GRUCom}
			PTR	`gc2.gru.net`
NS	`ns3.gru.net`
		A	209.251.130.31^{🇺🇸 GRUCom}
			PTR	`gc3.gru.net`
NS	`ns4.gru.net`
		A	209.251.130.41^{🇺🇸 GRUCom}
			PTR	`gc4.gru.net`

`231.66.in-addr.arpa`

Up

75.137.231.66.in-addr.arpa

54.137.231.66.in-addr.arpa

14.137.231.66.in-addr.arpa

217.137.231.66.in-addr.arpa

Starts with same word

137.cl

137.co.jp

137.hk

137.online

137.la

137.at

137.info

137.ro

137.de

137.ca

137.co

137.org

137.es

137.hu

137.me

137.city

137.in-addr.arpa

137.ph

137.by

137.be

137.com

137.dk

137.it

137.ink

137.pl

137.rehab

137.tv

Starts similarily

713.eu

371.tv

731.eu

317.net

137.info

137.ro

137.de

731.net.cn

173.la

317.nl

137.ca

713.pl

731.de

713.in

137.co

317.us

317.com

137.org

371.company

173.one

317.it

173.host

317.ch

317.run

371.de

137.es

137.hu

173.org

173.biz

137.me

731.dk

173.net

137.city

137.in-addr.arpa

173.jp

713.biz

713.mobi

317.today

731.com

317.tv

173.co

731.cn

137.ph

731.tv

317.ie

173.fr

137.by

713.ru

317.gr

173.nl

317.ink

173.eu

731.me

173.ca

173.cool

173.hk

173.cn

173.dk

137.be

137.com

173.de

713.de

137.dk

137.it

731.co.uk

173.io

173.me

137.ink

137.pl

371.com

137.rehab

713.cn

173.in-addr.arpa

371.cn

317.de

713.dk

173.tv

137.tv

173.in

317.ru

173.com.ua

371.biz

173.tw

731.co

713.city

137.cl

713.co.jp

713.ir

137.co.jp

317.cn

371.la

137.hk

731.pl

713.org

173.ir

713.at

173.com.tw

713.cz

173.com

173.hu

137.online

317.jp

731.it

713.com

317.in

173.by

371.jp

173.cz

173.chat

137.la

317.fr

137.at

371.net

713.me

371.cz

317.limo

317.is

173.cl

173.us

AI analysis

137.231.66.in-addr.arpa is a parent of 75.137.231.66.in-addr.arpa, 54.137.231.66.in-addr.arpa, 14.137.231.66.in-addr.arpa and 217.137.231.66.in-addr.arpa.

137.231.66.in-addr.arpa delegates to eight name servers: ns-1.gru.net, ns-2.gru.net, ns-3.gru.net, ns-4.gru.net, ns1.gru.net, ns2.gru.net, ns3.gru.net and ns4.gru.net.

137.231.66.in-addr.arpa shares name servers with other domains at least partially, for instance sbac.edu, 146.251.209.in-addr.arpa, 159.251.209.in-addr.arpa, 132.251.209.in-addr.arpa and 147.231.66.in-addr.arpa.

These name servers are commonly used with ns0.gru.net, ns-5.gru.net, ns-6.gru.net, ns2.sbac.edu, ns3.sbac.edu and nss.sbac.edu.

Hosts with a single IP:

ns-1.gru.net points to 209.251.132.98

ns-2.gru.net points to 209.251.132.99

ns-3.gru.net points to 209.251.132.100

ns-4.gru.net points to 209.251.132.101

ns1.gru.net points to 209.251.130.11

ns2.gru.net points to 209.251.130.21

ns3.gru.net points to 209.251.130.31

ns4.gru.net points to 209.251.130.41

dbq