WWW.RTSAK.COM - cassnet.de

Search for IP or hostnames:

cassnet.de checked at 2025-10-12T22:17:53.483Z 339ms 87/87/87 100% R:23

`cassnet.de`

NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3 ^{🇩🇪 noris network AG}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 noris network AG}
			PTR	`robotns3.second-ns.com`
NS	`ns1.first-ns.de`
		A	2a01:4f8:0:a101::a:1 ^{🇩🇪 Hetzner}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner}
			PTR	`ns1.first-ns.de`
MX	`smtp.qualitus.de`
		A	5.75.194.147^{🇩🇪 Hetzner}
			PTR	`smtp.qualitus.net`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2 ^{🇩🇪 Hetzner}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner}
			PTR	`robotns2.second-ns.de`
A	176.9.137.18^{🇩🇪 Hetzner}
		PTR	`cassnet.de`

`de`

	NS	`a.nic.de`
	NS	`f.nic.de`
	NS	`z.nic.de`
	NS	`l.de.net`
	NS	`n.de.net`
	NS	`s.de.net`

PTR for

18.137.9.176.in-addr.arpa

Up

mail.cassnet.de

www.cassnet.de

Starts with same word

cassnet.de

cassnet.net

Starts similarily

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AI analysis

cassnet.de is parent of mail.cassnet.de and www.cassnet.de.

cassnet.de resolves to a single IP address: 176.9.137.18.

Other host names such as casssrv.de, www.cassnet.de and mail.cassnet.de share IP numbers with cassnet.de.

cassnet.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

cassnet.de at least partially shares name servers with other domains, including shobbits.com, marstall-boitzenburg.de, 57films.de, origene-europe.net and rentable.de.

Host names with two IP numbers:

robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

cassnet.de is handled by a single mail server, smtp.qualitus.de.

cassnet.de shares its mail server setup with other domains, including qualitus.org, qualitus.info, hsbk-elearning.de, qualitus.net and pcc-e-learning.de.

cassnet.de shares some mail servers with other domains, at least partially, for instance oleplus.de.

these mail servers are commonly used alongside the mail servers webmail.qualitus.de.

smtp.qualitus.de points to a single IP: 5.75.194.147.

dbq