SSL check results of katers.de

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Discover if the mail servers for katers.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 Tue, 13 Aug 2019 20:27:06 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
katers.bn-host.de
2a01:4f8:140:4442::5:1
10
supported
*.bn-host.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
katers.bn-host.de
46.4.143.132
10
supported
*.bn-host.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 @katers.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.bn-host.de

Certificate chain
Subject
Common Name (CN)
  • *.bn-host.de
Alternative Names
  • *.bn-host.de
  • bn-host.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-07-20
Not valid after
2019-10-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8A:3E:1F:0D:BE:FF:CF:94:E9:DB:F7:01:72:E9:9B:6A:30:44:7C:03:C1:69:3E:9C:68:8E:9B:74:4D:BB:4F:0E
SHA1
8A:F2:B4:5B:A0:16:02:B8:6E:97:A3:69:10:3C:BF:04:FD:74:E2:F2
X509v3 extensions
subjectKeyIdentifier
  • 8C:4D:3A:FA:0B:8D:ED:4F:44:16:BE:E7:24:FE:9E:D6:66:8B:51:7E
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 : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Jul 20 01:04:30.910 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:04:B5:94:6D:70:76:AA:14:39:AC:3A:2C:
  • 34:A1:87:22:F2:7B:48:79:88:7D:1F:84:D9:5C:F6:F4:
  • 5A:D7:DE:CE:02:20:0E:BB:47:8F:B9:89:C3:C3:C2:C9:
  • 4A:AE:37:7B:C0:C1:CA:6D:70:FD:E7:64:AC:45:34:17:
  • 10:43:5A:01:F1:1C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 63:F2:DB:CD:E8:3B:CC:2C:CF:0B:72:84:27:57:6B:33:
  • A4:8D:61:77:8F:BD:75:A6:38:B1:C7:68:54:4B:D8:8D
  • Timestamp : Jul 20 01:04:30.858 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:44:AC:25:20:D1:A0:E7:4B:79:5B:70:B3:
  • 89:19:A5:11:A6:BF:FE:73:AA:16:23:88:B9:00:6C:8F:
  • 43:9A:56:0A:02:21:00:A9:89:30:61:2C:C0:37:96:8C:
  • 3E:EF:90:86:10:C9:82:6C:C7:D7:BA:48:3A:85:F4:93:
  • 50:97:91:AA:C2:80:23