SSL check results of apuj.de

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Discover if the mail servers for apuj.de 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 Mon, 19 Oct 2020 08:58:06 +0000

The mailservers of apuj.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @apuj.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
donkey.apuj.de
2a01:238:4332:af00:e0c8:e0e1:ff50:8574
20
supported
donkey.apuj.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s
donkey.apuj.de
81.169.195.208
20
supported
donkey.apuj.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

We have not received any emails from a @apuj.de address so far. Test mail delivery

Certificates

First seen at:

CN=donkey.apuj.de

Certificate chain
Subject
Common Name (CN)
  • donkey.apuj.de
Alternative Names
  • donkey.apuj.de
  • imap.apuj.de
  • mail.apuj.de
  • smtp.apuj.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-10-19
Not valid after
2021-01-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B6:BC:EE:B6:97:24:16:C1:14:D9:3A:CD:E7:F9:36:91:4E:21:E3:2C:15:1A:2F:0D:0E:75:D1:A1:4E:74:DC:35
SHA1
71:07:45:E9:62:89:D5:72:30:B2:B4:6D:03:DD:06:AC:E2:32:FD:87
X509v3 extensions
subjectKeyIdentifier
  • E3:83:CA:21:BC:70:7A:6F:C5:BD:8A:04:A3:2C:AF:65:68:B3:BE:8D
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 44:94:65:2E:B0:EE:CE:AF:C4:40:07:D8:A8:FE:28:C0:
  • DA:E6:82:BE:D8:CB:31:B5:3F:D3:33:96:B5:B6:81:A8
  • Timestamp : Oct 19 08:40:41.566 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:FD:FA:42:77:BF:91:F8:3C:9E:E2:66:
  • F4:DC:3C:92:12:82:98:E1:17:0B:93:9D:A0:D5:6D:18:
  • 6F:1A:DE:25:DC:02:21:00:C3:EF:C2:93:96:0E:4C:52:
  • 2A:1E:C1:ED:8F:6F:F0:AE:23:26:8C:99:B5:3F:83:15:
  • 3C:5D:31:4F:C2:FB:48:79
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Oct 19 08:40:41.609 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:43:02:1F:1A:83:4F:A9:42:BC:32:4C:AC:6D:1F:73:
  • 7C:1F:5D:34:27:29:4D:75:7E:AE:19:83:6E:2C:B6:D1:
  • A4:56:96:02:20:0F:F4:C8:E3:A3:B7:55:9C:FA:44:12:
  • A6:51:2E:92:2F:2B:41:F2:11:07:00:0E:49:4F:BA:0E:
  • 76:22:E2:BE:24