ROBTEX.COM - openschool21.de

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openschool21.de checked at 2026-01-03T20:24:21.484Z 276ms 92/92/92 100% R:13 allDone:true timedOut:false cfaller:e9f9cdcc/26:74cccb99:15669:undefined

openschool21.de

MXmx-n.heinlein-support.de
A91.198.250.17🇩🇪 HPLS-AS
PTRmx-n.mailbox.org
MXmx1.heinlein-support.de
A91.198.250.10🇩🇪 HPLS-AS
PTRmx1.heinlein-support.de
MXmx2.heinlein-support.de
A91.198.250.20🇩🇪 HPLS-AS
PTRmx2.heinlein-support.de
MXmx3.heinlein-support.de
A91.198.250.30🇩🇪 HPLS-AS
PTRmx3.heinlein-support.de
NSns2.jpberlin.de
A194.150.191.56🇩🇪 PROACT-AS
PTRns2.jpberlin.de
NSns3.jpberlin.de
A2a01:4f8:221:4381::1🇩🇪 Hetzner
PTRns3.jpberlin.de
A88.198.52.15🇩🇪 Hetzner
PTRns3.jpberlin.de
NSns.jpberlin.de
A2001:67c:2050:1::53:1🇩🇪 HPLS-AS
PTRns.jpberlin.de
A91.198.250.3🇩🇪 HPLS-AS
PTRns.jpberlin.de
A185.97.174.64🇩🇪 HPLS-AS
PTRuserweb-php83.jpberlin.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

Starts with same word

openschool21.de

Starts similarily

openschool12.be
openschool21.de

AI analysis

openschool21.de resolves to one IP number: 185.97.174.64.

other host names including umverka.de, www.kolja-spyra.de, mail.croniq.net, ecosprinter.org and croniq.net share IP numbers with openschool21.de.

openschool21.de is delegated to three name servers ns2.jpberlin.de, ns3.jpberlin.de and ns.jpberlin.de.

openschool21.de at least partially shares name servers with other domains, for instance attac-wiesbaden.de, klima-akademie.de, lucullio.com, opensourcepress.de and spiegelaffe.de.

Hosts with two IP numbers:

ns3.jpberlin.de points to: 2a01:4f8:221:4381::1 and 88.198.52.15.

ns.jpberlin.de points to: 2001:67c:2050:1::53:1 and 91.198.250.3.

Hosts with one IP number:

ns2.jpberlin.de points to: 194.150.191.56.

Four mail servers handle openschool21.de: mx-n.heinlein-support.de, mx1.heinlein-support.de, mx2.heinlein-support.de and mx3.heinlein-support.de.

openschool21.de shares some mail servers with other domains, at least partially, for instance kritisches-denken.de, 1000wintersportlinks.de, abromeit.info, palmen24.com and nachrichtentechnik-retzlaff.de.

Host names with one IP number: mx-n.heinlein-support.de points to 91.198.250.17; mx1.heinlein-support.de points to 91.198.250.10; mx2.heinlein-support.de points to 91.198.250.20; mx3.heinlein-support.de points to 91.198.250.30.