DNSWHOIS.INFO - 242.255.128.in-addr.arpa

Search for IP or hostnames:

242.255.128.in-addr.arpa checked at 2025-10-17T22:33:59.345Z 801ms 84/84/84 100% R:15

`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.tv

242.cc

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

242.tv

242.cc

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.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

422.me

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 is delegated 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 at least partially shares name servers with other domains such as 130.255.128.in-addr.arpa, 83.255.128.in-addr.arpa, biomed-eng.uiowa.edu, ostc.uiowa.edu and 215.255.128.in-addr.arpa.

These name servers are commonly used with 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 name rtr-core-cb.net.uiowa.edu points to IPs 2620:0:e50:1::42 and 128.255.204.66.

dbq