WWW.RTSAK.COM - isucon.org

Search for IP or hostnames:

isucon.org checked at 2025-10-22T10:06:57.882Z 184ms 83/83/83 100% R:12

`isucon.org`

NS	`docks04.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:4 ^{🇩🇪 IONOS-AS}
			PTR	`docks04.rzone.de`
		A	217.160.80.131^{🇩🇪 IONOS-AS}
			PTR	`docks04.rzone.de`
NS	`shades06.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:133 ^{🇺🇸 IONOS-Anycast}
			PTR	`shades06.rzone.de`
		A	185.132.34.133^{🇩🇪 IONOS-Anycast}
			PTR	`shades06.rzone.de`
MX	`smtpin.rzone.de`
		A	2a01:238:20a:202:50f0::1097 ^{🇩🇪 STRATO}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO}
			PTR	`smtpin.rzone.de`
A	2a01:238:20a:202:1086:: ^{🇩🇪 STRATO}
		PTR	`w86.rzone.de`
A	81.169.145.86^{🇩🇪 STRATO}
		PTR	`w86.rzone.de`

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

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AI analysis

isucon.org resolves to two IP numbers: 2a01:238:20a:202:1086:: and 81.169.145.86.

Other host names, for instance william-hodges.com, gerken-buxtehude.de, modellautocenter.biz, hackprot.com and brennholz-kaufen.online share IP numbers with isucon.org.

isucon.org has two name servers: docks04.rzone.de and shades06.rzone.de.

isucon.org shares the same name server setup as other domains, for example indiaka.de, chrfilm.de, statistik-einfach.de, hockauf.de and kapland.net.

isucon.org shares some name servers with other domains, for example dieter-spaar.de, dinogallo.de, sergioarencibia.es, schackweb.de and van-wasen.de.

these name servers are often used with shades20.rzone.de, docks14.rzone.de, shades15.rzone.de, shades03.rzone.de, docks05.rzone.de, docks11.rzone.de, docks07.rzone.de, shades17.rzone.de, shades07.rzone.de and shades05.rzone.de.

Host names with two IP numbers:

docks04.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:4 and 217.160.80.131; shades06.rzone.de points to: 2607:f1c0:fe:53:185:132:34:133 and 185.132.34.133.

isucon.org is handled by a single mail server, smtpin.rzone.de.

isucon.org shares the mail server setup with other domains, for example hamec.de, museoson.org, talent-pool.net, tt-top.de and webpicasso.de.

smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

dbq