WWW.RTSAK.COM - 242.255.128.in-addr.arpa

Search for IP or hostnames:

242.255.128.in-addr.arpa checked at 2025-11-17T03:26:00.417Z 1980ms 84/84/84 100% R:17 allDone:true timedOut:false

`242.255.128.in-addr.arpa`

NS	`dns-core-cb-1.uiowa.edu`
NS	`dns-core-coph-1.uiowa.edu`
NS	`dns-core-itf-1.uiowa.edu`
NS	`dns-core-itf-2.uiowa.edu`
NS	`dns-core-lc-0.uiowa.edu`
NS	`dns-core-lc-1.uiowa.edu`
NS	`dns-wireless-cb-1.uiowa.edu`
NS	`dns-wireless-coph-1.uiowa.edu`
NS	`dns-wireless-lc-1.uiowa.edu`
NS	`dns1.uiowa.edu`
		A	2620:0:e50:3::10 ^{🇺🇸 University of Iowa}
			PTR	`dns-e1.uiowa.edu`
		A	128.255.1.26^{🇺🇸 University of Iowa}
			PTR	`dns-e1.uiowa.edu`
NS	`dns2.uiowa.edu`
		A	2620:0:e50:3::11 ^{🇺🇸 University of Iowa}
			PTR	`dns-e2.uiowa.edu`
		A	128.255.64.26^{🇺🇸 University of Iowa}
			PTR	`dns-e2.uiowa.edu`
NS	`dns3.uiowa.edu`
		A	2620:0:e50:3::12 ^{🇺🇸 University of Iowa}
			PTR	`dns-e3.uiowa.edu`
		A	128.255.1.27^{🇺🇸 University of Iowa}
			PTR	`dns-e3.uiowa.edu`
PTR	`rtr-core-cb.net.uiowa.edu`
		A	2620:0:e50:1::42 ^{🇺🇸 University of Iowa}
			PTR	`rtr-core-cb.net.uiowa.edu`
		A	128.255.204.66^{🇺🇸 University of Iowa}
			PTR	`rtr-core-cb.net.uiowa.edu`

`255.128.in-addr.arpa`

	NS	`dns-core-cb-1.uiowa.edu`
	NS	`dns-core-coph-1.uiowa.edu`
	NS	`dns-core-itf-1.uiowa.edu`
	NS	`dns-core-itf-2.uiowa.edu`
	NS	`dns-core-lc-0.uiowa.edu`
	NS	`dns-core-lc-1.uiowa.edu`
	NS	`dns-wireless-cb-1.uiowa.edu`
	NS	`dns-wireless-coph-1.uiowa.edu`
	NS	`dns-wireless-lc-1.uiowa.edu`
	NS	`dns1.uiowa.edu`
	NS	`dns2.uiowa.edu`
	NS	`dns3.uiowa.edu`
	NS	`dns-r1.uiowa.net`
	NS	`dns3.divms.uiowa.edu`
	PTR	`rtr-border-lc.net.uiowa.edu`

Starts with same word

242.fr

242.info

242.be

242.es

242.net

242.dk

242.cn

242.community

242.bet

242.at

242.io

242.ru

242.de

242.se

242.com.tr

242.in

242.pl

242.ca

242.us

242.nl

242.com

242.ir

242.md

242.it

242.ch

242.ph

242.tw

Starts similarily

242.at

224.cc

224.com.tr

242.io

422.by

242.ru

224.pl

242.de

422.tv

224.cz

224.fr

224.services

242.se

242.com.tr

242.in

242.pl

242.ca

242.us

224.cn

422.cn

422.agency

422.ltd

242.nl

224.ru

224.ph

224.dk

422.org.cn

224.us

224.it

224.info

422.it

242.com

422.cz

242.ir

224.in-addr.arpa

224.co

422.ca

242.md

242.it

422.nl

422.eu

224.lol

242.ch

242.ph

224.tel

242.tw

242.fr

242.info

422.am

422.org

242.be

242.es

422.jp

224.ch

242.net

224.ca

224.de

242.dk

422.us

422.ddns.net

242.cn

422.cc

422.ru

422.co

224.nl

242.community

224.com

224.me

422.fr

224.org

242.bet

224.net

422.de

422.com

224.ltd

AI analysis

242.255.128.in-addr.arpa delegates to twelve name servers: dns-core-cb-1.uiowa.edu, dns-core-coph-1.uiowa.edu, dns-core-itf-1.uiowa.edu, dns-core-itf-2.uiowa.edu, dns-core-lc-0.uiowa.edu, dns-core-lc-1.uiowa.edu, dns-wireless-cb-1.uiowa.edu, dns-wireless-coph-1.uiowa.edu, dns-wireless-lc-1.uiowa.edu, dns1.uiowa.edu, dns2.uiowa.edu and dns3.uiowa.edu.

242.255.128.in-addr.arpa partially shares name servers with other domains; examples include 130.255.128.in-addr.arpa, 83.255.128.in-addr.arpa, 75.255.128.in-addr.arpa, biomed-eng.uiowa.edu and ostc.uiowa.edu.

These name servers are often used with the name servers dns-r1.uiowa.net and dns3.divms.uiowa.edu.

Host names with two IP numbers:

dns1.uiowa.edu points to 2620:0:e50:3::10 and 128.255.1.26.

dns2.uiowa.edu points to 2620:0:e50:3::11 and 128.255.64.26.

dns3.uiowa.edu points to 2620:0:e50:3::12 and 128.255.1.27.

Host rtr-core-cb.net.uiowa.edu resolves to two IPs: 2620:0:e50:1::42 and 128.255.204.66.

dbq