DNSWHOIS.INFO - 221.163.in-addr.arpa

Search for IP or hostnames:

221.163.in-addr.arpa checked at 2025-10-31T22:08:28.249Z 1036ms 62/62/62 100% R:16

`221.163.in-addr.arpa`

NS	`ns3.naist.jp`
		A	203.181.243.180^{🇯🇵 SINET-AS}
NS	`ns.naist.jp`
		A	163.221.80.13^{🇯🇵 NAIST-AS}
			PTR	`ns.naist.jp`
NS	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:10::53 ^{🇯🇵 SINET-AS}
			PTR	`dns-x1.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:11::53 ^{🇯🇵 SINET-AS}
			PTR	`dns-x2.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:12::53 ^{🇯🇵 SINET-AS}
			PTR	`dns-x3.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.2^{🇯🇵 SINET-AS}
			PTR	`dns-x1.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.6^{🇯🇵 SINET-AS}
			PTR	`dns-x2.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.10^{🇯🇵 SINET-AS}
			PTR	`dns-x3.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`

`163.in-addr.arpa`

	NS	`ns1.apnic.net`
	NS	`ns2.apnic.net`
	NS	`rirns.arin.net`
	NS	`ns3.lacnic.net`
	NS	`apnic.authdns.ripe.net`

Starts with same word

221.net

221.es

221.co

221.bz

221.de

221.in-addr.arpa

221.tel

221.ca

221.com

221.ru

221.la

221.org

221.co.uk

221.money

221.cz

221.cn

221.life

221.com.ua

221.us

221.one

Starts similarily

212.church

212.ca

212.jetzt

212.run

221.money

212.one

212.com.mx

212.email

212.lt

221.cz

122.fyi

212.graphics

221.cn

212.com

122.it

122.nl

212.vin

122.su

212.mx

122.cl

122.ch

212.com.tr

212.cc

122.city

212.by

212.ru

122.eu

212.in-addr.arpa

212.photos

212.amsterdam

212.fr

212.me

212.guide

221.life

221.com.ua

122.be

212.guru

212.com.cn

212.net

122.at

212.tel

122.cn

221.us

122.kim

212.sk

221.one

122.run

122.co.il

122.co

212.at

212.ph

122.biz

122.dk

212.insure

221.net

212.com.ua

122.ru

221.es

221.co

122.one

212.group

221.bz

221.de

212.plumbing

212.codes

212.ua

212.de

122.cz

212.nl

122.cc

122.info

212.vc

212.ch

212.kr

212.mobi

122.vn

221.in-addr.arpa

221.tel

212.pl

122.in-addr.arpa

212.dk

221.ca

212.ws

122.us

122.in

212.lv

221.com

212.us

212.bz

221.ru

122.gov.cn

122.ph

212.in

212.se

221.la

122.de

221.org

221.co.uk

122.lv

212.fund

AI analysis

221.163.in-addr.arpa is delegated to three name servers: ns3.naist.jp, ns.naist.jp and dns-x.sinet.ad.jp.

At least part of the name servers for 221.163.in-addr.arpa are shared with other domains, for instance onomichi-u.ac.jp, rs.suwa.tus.ac.jp, center.kobe-u.ac.jp, 170.18.202.in-addr.arpa and otp.osaka-cu.ac.jp.

these name servers are commonly used with the name servers ns1.kuins.kyoto-u.ac.jp, ns2.kuins.kyoto-u.ac.jp, tusns1.tus.ac.jp, tusns.tus.ac.jp, guname0.imc.gifu-u.ac.jp, ns1.omu.ac.jp, ns2.omu.ac.jp, dns1.u-ryukyu.ac.jp, ns0.u-ryukyu.ac.jp and nsi01.cc.niigata-u.ac.jp.

Host names with six IPs: dns-x.sinet.ad.jp points to: 2001:2f8:0:10::53, 2001:2f8:0:11::53, 2001:2f8:0:12::53, 150.100.18.2, 150.100.18.6 and 150.100.18.10.

Host with one IP: ns3.naist.jp points to: 203.181.243.180.

ns.naist.jp points to: 163.221.80.13.

dbq