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 Sat, 08 Aug 2020 18:25:17 +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
2 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
2020-07-29
Not valid after
2020-10-27
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
60:B5:B1:46:12:3F:AB:09:57:13:6A:93:85:2F:E6:A0:C8:76:EF:0A:5B:ED:0A:27:79:2E:2D:B6:93:5C:0A:69
SHA1
C9:6C:3B:54:36:37:30:1F:12:EA:F5:70:57:1E:93:BA:0A:AE:65:92
X509v3 extensions
subjectKeyIdentifier
  • 60:7D:8C:D7:FC:1D:77:66:E5:1D:86:7D:AA:AE:BB:90:E7:5F:AD:E4
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Jul 29 05:06:36.458 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F2:C2:3D:3C:59:BA:CC:7C:9C:94:A7:
  • 7D:FA:C6:61:7B:07:45:47:6C:6F:B9:5C:33:68:21:4F:
  • 6F:D0:97:B7:A8:02:21:00:D1:2E:BC:1D:DB:8D:6C:84:
  • D3:C4:5D:0A:40:59:1F:6C:18:AA:5D:69:0A:4E:EA:05:
  • AA:25:77:BC:B5:79:AA:75
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Jul 29 05:06:36.508 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:53:66:0B:A0:42:FF:67:99:13:95:F4:EA:
  • 10:30:28:0F:E4:F3:EA:2F:90:9B:DA:6B:5B:A1:0E:4A:
  • 3D:D5:A9:02:02:20:78:88:12:94:01:89:A0:CB:02:EE:
  • 8A:11:F1:54:14:35:50:B2:77:95:89:CC:3E:C9:9D:EB:
  • 33:78:22:DC:FC:77