CF1760994532767-tsm20251017082432

WWW.RTSAK.COM - cosum.de

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cosum.de checked at 2025-10-20T21:08:52.758Z 297ms 96/96/96 100% R:17

cosum.de

MXmail.cosum.de
A2001:67c:1400:2120::1 🇩🇪 Individual Network Berlin e.V.
PTRcosum.in-berlin.de
A217.197.83.194🇩🇪 Individual Network Berlin e.V.
PTRcosum.in-berlin.de
NSns1.in-berlin.de
A2001:67c:1400:1010::42:26 🇩🇪 Individual Network Berlin e.V.
PTRokapi.in-berlin.de
A192.109.42.26🇩🇪 Individual Network Berlin e.V.
PTRokapi.in-berlin.de
NSns2.in-berlin.de
A2001:67c:1400:1010::34 🇩🇪 Individual Network Berlin e.V.
PTRletschwe.in-berlin.de
A217.197.80.34🇩🇪 Individual Network Berlin e.V.
PTRletschwe.in-berlin.de
NSns3.in-berlin.de
A2001:67c:1403:1010::4 🇩🇪 Individual Network Berlin e.V.
PTRvechur.in-berlin.de
A193.29.188.4🇩🇪 Individual Network Berlin e.V.
PTRvechur.in-berlin.de
NSns4.in-berlin.de
A130.133.8.36🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRmethan3.in-berlin.de
A2001:67c:1400:2120::1 🇩🇪 Individual Network Berlin e.V.
PTRcosum.in-berlin.de
A217.197.83.194🇩🇪 Individual Network Berlin e.V.
PTRcosum.in-berlin.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
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AI analysis

The parent of mail.cosum.de is cosum.de.

Two IP numbers are pointed to by cosum.de: 2001:67c:1400:2120::1 and 217.197.83.194.

Other host names, for instance mail.cosum.de and cosum.in-berlin.de, share IP numbers with cosum.de.

cosum.de delegates to four name servers: ns1.in-berlin.de, ns2.in-berlin.de, ns3.in-berlin.de and ns4.in-berlin.de.

cosum.de at least partially shares name servers with other domains, for instance stuetzle.cc, mittlere-oder.de, kryger.de, 89.197.217.in-addr.arpa and zentren.org.

These name servers are commonly used with bastard.in-berlin.de and hmo.in-vpn.de.

Hosts with two IP numbers:

ns1.in-berlin.de points to 2001:67c:1400:1010::42:26 and 192.109.42.26.

ns2.in-berlin.de points to 2001:67c:1400:1010::34 and 217.197.80.34.

ns3.in-berlin.de points to 2001:67c:1403:1010::4 and 193.29.188.4.

Host with one IP number:

ns4.in-berlin.de points to 130.133.8.36.

cosum.de is handled by a single mail server, mail.cosum.de.

mail.cosum.de resolves to two IPs: 2001:67c:1400:2120::1 and 217.197.83.194.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

TdpJVLL CF johedugfp 2025-10-20