SSL check results of mail.1.exchange.1and1.eu

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Discover if the mail servers for mail.1.exchange.1and1.eu can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

Report created Thu, 28 May 2020 04:10:04 +0000

The mailservers of mail.1.exchange.1and1.eu can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.1.exchange.1and1.eu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.1.exchange.1and1.eu
217.160.154.165
-
supported
winhexfeeu13
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
17 s

Outgoing Mails

We have not received any emails from a @mail.1.exchange.1and1.eu address so far. Test mail delivery

Certificates

First seen at:

CN=winhexfeeu13

Certificate chain
  • winhexfeeu13 (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • winhexfeeu13
Alternative Names
  • winhexfeeu13
  • winhexfeeu13.win.mail
Issuer

Certificate is self-signed.

validity period
Not valid before
2016-06-07
Not valid after
2021-06-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
B2:94:00:5C:09:69:1B:6B:B1:ED:6F:B9:42:61:73:66:1A:D8:5B:7C:70:53:09:8D:B8:86:4B:75:3D:79:7D:27
SHA1
1C:1E:ED:1E:E2:B9:A2:6E:6F:6A:06:E4:6B:FD:4B:25:86:A9:7A:30