SSL check results of killerzelle.de

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Discover if the mail servers for killerzelle.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 Thu, 26 Mar 2020 08:13:26 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.killerzelle.de
2a02:c205:3002:2299::1
10
supported
mail.killerzelle.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s
mail.killerzelle.de
80.241.217.144
10
supported
mail.killerzelle.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.killerzelle.de

Certificate chain
Subject
Common Name (CN)
  • mail.killerzelle.de
Alternative Names
  • mail.killerzelle.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-18
Not valid after
2020-06-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
65:52:87:4B:C5:8F:EE:27:38:A9:0F:0A:94:87:35:EB:C9:13:9E:66:9D:27:F9:DD:D5:39:DE:89:7D:5E:AE:BA
SHA1
7E:D0:33:69:AC:65:E4:BB:42:FF:B7:11:EC:58:37:31:DC:66:95:E7
X509v3 extensions
subjectKeyIdentifier
  • 41:11:84:03:63:B9:2D:86:53:78:36:24:0F:E6:DE:36:CE:FC:37:28
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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Mar 18 09:01:33.417 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:24:54:35:FD:31:7E:67:08:6D:95:4D:A4:
  • 5C:BC:57:98:D2:A1:27:75:E7:37:49:51:EB:02:79:FE:
  • BC:FA:D0:DD:02:20:18:D8:94:3A:DE:5D:A3:73:56:CF:
  • 39:C0:97:10:C5:2E:1F:BB:A0:3A:9D:C7:FE:F9:9C:43:
  • DA:DB:ED:32:AF:D1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Mar 18 09:01:33.422 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:90:47:D8:09:7E:C2:97:DF:61:0F:C5:
  • 65:3B:2F:E5:AF:D5:25:2C:0A:DD:3A:BD:4E:5B:FF:FB:
  • 61:55:42:05:69:02:21:00:AF:7F:5E:16:25:66:BF:46:
  • 1D:CB:C2:9F:25:1E:64:50:A1:43:49:4B:26:DC:53:E6:
  • 65:D5:7C:E7:ED:B7:22:42