SSL-Tools

SSL check results of diecker.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for diecker.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

JSON Refresh

Report created Fri, 29 Sep 2023 12:02:49 +0000

We can not guarantee a secure connection to the mailservers of diecker.de!

Please contact the operator of diecker.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/diecker.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.compcom.de
2a01:4f8:160:810e::66
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mail.compcom.de
5.9.172.66
Results incomplete
10
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mail-backup.compcom.de
2a03:4000:37:204::1
 100
supported
mail.compcom.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
mail-backup.compcom.de
91.132.146.179
 100
supported
mail.compcom.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.compcom.de

Certificate chain
  • mail.compcom.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      R3
Subject
Common Name (CN)
  • mail.compcom.de
Alternative Names
  • mail-backup.compcom.de
  • mail.compcom.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2023-08-23
Not valid after
2023-11-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C7:59:B8:70:01:04:DA:F6:B8:08:24:ED:7B:02:F2:9E:65:5B:6A:82:EC:C8:86:77:82:AE:8B:3C:7A:A0:16:CF
SHA1
F2:16:6F:5B:39:89:42:D1:63:18:81:F2:18:83:FC:EC:EA:B8:18:D9
X509v3 extensions
subjectKeyIdentifier
  • 50:A6:75:31:94:82:97:C4:02:15:CE:AF:99:6B:2E:56:AB:80:74:C8
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B7:3E:FB:24:DF:9C:4D:BA:75:F2:39:C5:BA:58:F4:6C:
  • 5D:FC:42:CF:7A:9F:35:C4:9E:1D:09:81:25:ED:B4:99
  • Timestamp : Aug 23 20:21:56.313 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:19:F1:66:BA:15:7A:0A:41:96:E7:52:6B:
  • 45:3E:12:C6:A3:09:31:61:29:A9:17:28:6B:33:47:07:
  • 9B:13:72:2B:02:20:7D:E1:6F:EA:14:6B:48:64:C8:4D:
  • 09:73:38:B8:83:3E:B0:5A:E2:C1:F8:8D:D3:49:1F:81:
  • 80:2B:B1:10:32:D1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9:
  • 03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E
  • Timestamp : Aug 23 20:21:56.329 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:12:1C:76:F1:73:D8:15:0E:15:4F:0E:AA:
  • E8:58:24:86:2E:2E:5E:D0:65:01:77:43:02:D6:CC:B3:
  • A3:31:22:87:02:20:46:D1:8A:CB:32:17:20:67:34:BA:
  • 43:99:21:99:09:19:0A:4F:6E:46:AC:48:0E:75:F4:5A:
  • C8:38:1A:1A:A6:B9