NSLIST.NET - 217.2.209.in-addr.arpa

Search for IP or hostnames:

217.2.209.in-addr.arpa checked at 2025-10-28T21:19:44.106Z 273ms 47/47/47 100% R:21

`217.2.209.in-addr.arpa`

NS	`ext-ns1.columbia.edu`
		A	128.59.1.1^{🇺🇸 Columbia University}
			PTR	`ext-ns1.columbia.edu`
NS	`ext-ns2.columbia.edu`
		A	2001:18d8::53 ^{🇺🇸 Columbia University}
			PTR	`ext-ns2.columbia.edu`
		A	2001:18d8:1:1::1:1 ^{🇺🇸 Columbia University}
			PTR	`ext-ns2.columbia.edu`
		A	128.59.1.2^{🇺🇸 Columbia University}
			PTR	`ext-ns2.columbia.edu`

`2.209.in-addr.arpa`

	NS	`ns10-auth.windstream.net`
	NS	`ns11-auth.windstream.net`
	NS	`ns12-auth.windstream.net`
	NS	`ns9-auth.windstream.net`

Starts with same word

217.co

217.de

217.in-addr.arpa

217.dk

217.jp

217.in

217.ru

217.fr

217.at

217.cc

217.waw.pl

217.es

217.ca

217.ch

217.ws

217.am

217.church

217.eu

217.com

217.tv

217.be

217.cn

Starts similarily

217.tv

127.dk

721.dk

271.com.cn

172.fr

172.jp

721.cc

217.be

271.ir

712.cc

217.cn

172.org

712.it

172.in-addr.arpa

127.cc

271.co

721.studio

172.in

217.co

127.ca

721.co

217.de

127.ch

712.net

721.me

127.ru

712.fr

127.sunnyday.jp

271.ca

217.in-addr.arpa

712.jp

217.dk

127.it

172.co

127.fi

127.fr

172.ph

217.jp

127.wtf

712.cn

172.ir

172.com

172.one

172.aero

172.de

712.run

217.in

712.es

127.la

127.at

271.ph

217.ru

172.us

127.xxx

172.it

721.ph

271.jp

127.mx

721.cn

721.de

217.fr

127.in-addr.arpa

721.ru

172.tw

217.at

127.run

712.eu

172.ca

127.io

127.ink

712.lt

721.tw

712.com.cn

271.nl

271.spb.ru

271.com

271.ch

127.ath.cx

217.cc

127.pictures

127.jp

271.us

217.waw.pl

271.se

721.org

721.in

721.com

721.ink

217.es

721.net

712.cz

712.com

217.ca

127.cz

271.de

127.de

127.com

721.info

217.ch

127.us

AI analysis

217.2.209.in-addr.arpa's delegation uses two name servers: ext-ns1.columbia.edu and ext-ns2.columbia.edu.

217.2.209.in-addr.arpa uses the same name server setup as other domains, such as jazzstudiesonline.com, columbia.university, 82.12.192.in-addr.arpa, zi.columbia.edu and 43.5.192.in-addr.arpa.

217.2.209.in-addr.arpa at least partially shares name servers with other domains, including postsecondaryresearch.org, facil.columbia.edu, shadlenlab.columbia.edu, ncdptraining.cumc.columbia.edu and 23.59.128.in-addr.arpa.

These name servers are commonly used with apollo.cs.columbia.edu, sundog.ee.columbia.edu, ns1.nyp.org, ns2.nyp.org, lavinia.cis.cuny.edu, acme.ucc.cuny.edu, diana.cs.columbia.edu, ns10.customer.level3.net, ns15.customer.level3.net and auth1.dns.cogentco.com.

Names with three IPs:

ext-ns2.columbia.edu points to: 2001:18d8::53, 2001:18d8:1:1::1:1 and 128.59.1.2.

Names with one IP:

ext-ns1.columbia.edu points to: 128.59.1.1.

dbq