SSL check results of mail.kmu.cmbl.de

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Discover if the mail servers for mail.kmu.cmbl.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, 25 Oct 2021 11:50:58 +0000

The mailservers of mail.kmu.cmbl.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.kmu.cmbl.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.kmu.cmbl.de
81.169.158.170
-
supported
mail.kmu.cmbl.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.kmu.cmbl.de

Certificate chain
Subject
Common Name (CN)
  • mail.kmu.cmbl.de
Alternative Names
  • mail.kmu.cmbl.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
validity period
Not valid before
2021-10-25
Not valid after
2022-10-25
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8F:70:E5:2F:F1:F9:DA:FE:42:3F:9C:06:34:3E:2F:9D:F5:12:4C:D2:C8:A0:1B:FB:22:87:4F:F7:4F:03:8F:7D
SHA1
5B:A8:E4:9C:F3:3D:E7:F7:99:D5:56:3F:9D:17:65:B8:37:DC:DD:8E
X509v3 extensions
authorityKeyIdentifier
  • keyid:A4:8D:E5:BE:7C:79:E4:70:23:6D:2E:29:34:AD:23:58:DC:F5:31:7F
subjectKeyIdentifier
  • 32:B1:92:0E:CD:51:A5:DC:DF:2D:D4:E1:81:33:DE:8A:00:C3:22:8E
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : Oct 25 10:34:11.369 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:24:80:30:73:CC:CD:64:66:02:7C:86:3C:
  • 29:77:D8:B0:B5:80:39:97:1F:84:80:8A:CF:CA:9D:F4:
  • 06:81:7F:E7:02:21:00:C1:52:A7:8E:6C:DC:21:77:8D:
  • AA:91:73:9C:CA:62:40:D8:F9:D0:8C:72:BF:ED:B1:BE:
  • 85:8E:49:78:9E:BA:B7
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
  • 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
  • Timestamp : Oct 25 10:34:11.363 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:EB:67:09:9E:AC:2C:5A:7F:8B:14:99:
  • D7:7B:2F:61:06:A3:DB:50:73:12:23:D2:17:B9:DA:20:
  • B5:EA:01:BB:BD:02:21:00:92:66:D6:F8:E2:D4:63:80:
  • CF:8F:19:03:23:82:65:16:3A:7E:C3:32:26:7A:A2:1B:
  • E9:81:60:34:AA:5D:4D:F8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DF:A5:5E:AB:68:82:4F:1F:6C:AD:EE:B8:5F:4E:3E:5A:
  • EA:CD:A2:12:A4:6A:5E:8E:3B:12:C0:20:44:5C:2A:73
  • Timestamp : Oct 25 10:34:11.421 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:BD:F1:6A:69:50:16:92:0B:3C:2F:40:
  • 56:F5:3C:8E:61:A3:64:A1:79:07:E2:ED:94:96:60:ED:
  • DB:71:82:D3:5D:02:20:03:A1:06:2A:84:96:DB:D0:63:
  • AD:9C:CF:80:87:D7:54:5A:79:61:57:30:12:61:4C:A9:
  • AE:15:41:CE:A6:0F:6C