CF1761608053654-tsm20251027103946

MXLIST.NET - security.dfn.de

Search for IP or hostnames:

security.dfn.de checked at 2025-10-27T23:34:13.638Z 661ms 98/98/98 100% R:16

security.dfn.de

MXmail1.dfn-cert.de
A2001:638:714:2811:5::1 🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRmail1.dfn-cert.de
A193.174.13.200🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRmail1.dfn-cert.de
MXmail2.dfn-cert.de
A2001:638:714:2811:5::2 🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRmail2.dfn-cert.de
A193.174.13.207🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRmail2.dfn-cert.de
NSrobin.dfn-cert.de
A193.174.13.65🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRrobin.dfn-cert.de
NSns1.dfn.de
A2001:638:d:c110::51 🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns1.dfn.de
A194.95.236.51🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns1.dfn.de
NSns2.dfn.de
A2001:638:d:c111::59 🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns2.dfn.de
A194.95.236.59🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns2.dfn.de
NSns3.dfn.de
A194.95.236.67🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns3.dfn.de

dfn.de

NSns1.dfn.de
NSns2.dfn.de
NSns3.dfn.de
MXa1001.mx.srv.dfn.de
MXb1001.mx.srv.dfn.de
MXc1001.mx.srv.dfn.de
A2a00:d0c0:c:2109::11 🇩🇪 UVENSYS
A37.208.106.105🇩🇪 UVENSYS
rank #24397 globally
rank #598 in the tld

Up

www.security.dfn.de

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AI analysis

security.dfn.de is the parent of www.security.dfn.de.

security.dfn.de is delegated to four name servers: robin.dfn-cert.de, ns1.dfn.de, ns2.dfn.de and ns3.dfn.de.

security.dfn.de at least partially shares name servers with other domains, for instance 249.95.194.in-addr.arpa, pca.dfn.de, x-win.dfn.de, 12.174.193.in-addr.arpa and dfn-cert.org.

These name servers are commonly used alongside deneb.dfn.de, rzdspc1.informatik.uni-hamburg.de, dns1.rrz.uni-hamburg.de, dns2.rrz.uni-hamburg.de, dns-1.dfn.de, dns-2.dfn.de and dns-3.dfn.de.

Host names with two IP numbers:

ns1.dfn.de points to 2001:638:d:c110::51 and 194.95.236.51; ns2.dfn.de points to 2001:638:d:c111::59 and 194.95.236.59.

Host names with one IP number:

robin.dfn-cert.de points to 193.174.13.65; ns3.dfn.de points to 194.95.236.67.

Two mail servers handle security.dfn.de: mail1.dfn-cert.de and mail2.dfn-cert.de.

security.dfn.de shares the same mail server setup as other domains, for instance pca.dfn.de, dfn-cert.org, trusted-introducer.org, pki.pca.dfn.de and cdp.pca.dfn.de.

security.dfn.de shares some mail servers with other domains, at least partially, for instance carmentes.de, carmentes.net, carmentes.org, carmentis.org and carmentes.eu.

Host names with two IP numbers:

The host name mail1.dfn-cert.de points to 2001:638:714:2811:5::1 and 193.174.13.200; the host name mail2.dfn-cert.de points to 2001:638:714:2811:5::2 and 193.174.13.207.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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bZhdLad CF johedugfp 2025-10-27