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c1721.mx.srv.dfn.de checked at 2025-10-20T22:32:35.649Z 356ms 30/30/30 100% R:14

`c1721.mx.srv.dfn.de`

A	2001:638:d:c303:acdc:1979:2:56 ^{🇩🇪 DFN Deutsches Forschungsnetz e.V.}
		PTR	`c1721.mx.srv.dfn.de`
A	194.95.238.112^{🇩🇪 DFN Deutsches Forschungsnetz e.V.}
		PTR	`c1721.mx.srv.dfn.de`

112.238.95.194.in-addr.arpa

6.5.0.0.2.0.0.0.9.7.9.1.c.d.c.a.3.0.3.c.d.0.0.0.8.3.6.0.1.0.0.2.ip6.arpa

2117c.com

17c21.cv

c1721.mx.srv.dfn.de serves as the mail server for icame2015hamburg.de, fsp103-atlas.de, xfel.de, comotion.info and dphep.org, plus several other domains.

a1721.mx.srv.dfn.de and b1721.mx.srv.dfn.de are commonly used mail servers along with c1721.mx.srv.dfn.de.

c1721.mx.srv.dfn.de points to two IP numbers: 2001:638:d:c303:acdc:1979:2:56 and 194.95.238.112.

dbq