SSL-Tools

SSL check results of gravediggers.ch

NEW You can also bulk check multiple servers.

Discover if the mail servers for gravediggers.ch 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 Sun, 27 Nov 2022 08:25:18 +0000

The mailservers of gravediggers.ch can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @gravediggers.ch addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.gravediggers.ch
81.221.35.226
 10
supported
smtp.gravediggers.ch
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 @gravediggers.ch address so far. Test mail delivery

Certificates

First seen at:

CN=smtp.gravediggers.ch

Certificate chain
  • smtp.gravediggers.ch
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • smtp.gravediggers.ch
Alternative Names
  • smtp.gravediggers.ch
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2022-10-11
Not valid after
2023-01-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
5A:44:38:EA:9C:95:F9:24:B6:CF:AC:81:C4:2A:5C:40:CD:19:D6:06:D6:32:90:AA:17:AF:73:E4:1E:D1:EA:43
SHA1
5E:84:74:60:BA:F7:89:15:CC:71:B4:AD:7E:F7:C7:71:7C:8A:84:AB
X509v3 extensions
subjectKeyIdentifier
  • EE:0C:F2:95:FE:4A:47:D1:2A:C0:28:6B:60:76:9A:E0:31:FA:25:D4
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
  • 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 : AD:F7:BE:FA:7C:FF:10:C8:8B:9D:3D:9C:1E:3E:18:6A:
  • B4:67:29:5D:CF:B1:0C:24:CA:85:86:34:EB:DC:82:8A
  • Timestamp : Oct 11 09:33:23.155 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D2:D1:F3:9C:EB:2E:5B:A3:AB:CF:D8:
  • 4F:D2:1B:70:BE:B9:1E:01:C3:09:7A:B8:0E:61:7D:84:
  • 75:A7:43:92:88:02:21:00:DB:E4:F2:07:08:B0:27:07:
  • D1:C6:01:9A:EF:71:CA:44:B5:A0:62:09:AF:B5:A1:55:
  • D0:A1:19:E5:1D:27:D3:D3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
  • 16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
  • Timestamp : Oct 11 09:33:23.634 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:48:71:80:C7:B2:7D:E4:35:67:2B:EF:5B:
  • 70:51:46:7E:43:A5:86:7C:AF:B7:FB:05:F1:4B:9A:5A:
  • FF:11:42:15:02:20:5B:0C:02:93:3B:35:38:D8:D8:07:
  • 06:91:42:66:7D:D3:ED:FA:4E:5D:9F:4D:6F:9A:4F:60:
  • CF:02:85:BB:3E:68