SSL-Tools

SSL check results of witte.cloud

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Discover if the mail servers for witte.cloud 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 Tue, 16 Apr 2024 19:15:21 +0000

The mailservers of witte.cloud can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @witte.cloud addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.witte.cloud
144.76.27.41
 0
supported
mail.witte.cloud
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.witte.cloud

Certificate chain
  • mail.witte.cloud
    • remaining
    • 256 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.witte.cloud
Alternative Names
  • mail.witte.cloud
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-03-19
Not valid after
2024-06-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
56:3F:5F:D6:A1:F5:91:E6:CC:6C:2C:71:A8:F2:F2:B6:5E:8E:3F:E1:58:AD:5A:76:48:36:CA:D9:0A:09:27:FD
SHA1
7E:F4:72:47:93:2F:24:9C:DB:9C:E9:E4:D2:36:11:59:51:77:8A:5F
X509v3 extensions
subjectKeyIdentifier
  • 4E:FD:1B:77:67:C3:5D:FD:A3:03:CD:0D:80:5A:02:91:82:3C:57:3F
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
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
  • 67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
  • Timestamp : Mar 19 01:46:49.415 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:C9:52:FE:2F:9E:DF:98:73:75:6C:A4:
  • 55:D3:78:BD:B1:18:4C:9F:06:A9:FE:BB:F1:B4:3E:0C:
  • 9A:D7:28:2C:D5:02:21:00:96:07:16:30:45:A9:B4:15:
  • AF:ED:4D:FC:E4:40:21:9B:70:0B:0A:E3:34:72:90:66:
  • 85:D9:1A:85:CA:D6:82:45
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Mar 19 01:46:49.420 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A0:36:7F:CA:EF:4F:9C:75:9E:88:E4:
  • F8:EE:E9:3F:D8:93:94:D2:8C:0E:BA:72:99:ED:9F:61:
  • 80:8C:8D:37:CB:02:20:37:61:00:C2:D6:71:7B:F3:A8:
  • 8F:4D:46:8E:AF:C7:C2:7E:24:E0:E5:B6:BF:BF:60:3C:
  • 7D:81:56:4E:3B:7C:4E