WWW.RTSAK.COM - 17.20.161.221.in-addr.arpa

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17.20.161.221.in-addr.arpa checked at 2025-10-11T05:10:28.852Z 783ms 17/17/17 100% R:14

`17.20.161.221.in-addr.arpa`

PTR	`mail.cs.ac.kr`
		A	220.73.212.208^{🇰🇷 KT Corporation (Korea Telecom)}
			PTR	`mc208.mailplug.co.kr`
PTR	`mail.csc.ac.kr`

`20.161.221.in-addr.arpa`

	NS	`rev1.kornet.net`
	NS	`rev2.kornet.net`

Starts with same word

17.ee

17.ca

17.kz

17.be

17.ro

17.am

17.shop

17.no

17.cl

17.com

17.com.tr

17.city

17.pt

17.fyi

17.capital

17.vc

17.org

17.nu

17.gold

17.world

17.com.pk

17.nl

17.amsterdam

17.tel

17.ru

17.su

17.com.ua

17.com.tw

17.cool

17.gs

17.uk

17.lt

17.media

17.is

17.ventures

17.pl

17.gs.cn

17.appchizi.com

17.co.uk

17.hu

17.com.cn

17.ph

17.se

17.chat

17.biz

17.sk

17.cz

17.in-addr.arpa

17.cn

17.fr

17.tv

17.live

17.lv

17.rs

17.game

17.net

Starts similarily

17.tel

71.ph

17.ru

71.be

71.ca

71.amsterdam

17.su

17.com.ua

71.to

71.biz

17.com.tw

71.no

71.fr

17.cool

71.cl

17.gs

71.ro

71.in-addr.arpa

71.uy