SSL-Tools

SSL check results of lieb-software.dev

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Discover if the mail servers for lieb-software.dev 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 Sat, 27 Apr 2024 00:15:01 +0000

The mailservers of lieb-software.dev can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @lieb-software.dev addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.lieb-software.dev
136.243.9.181
 0
supported
mail.schwarzer-milan.eu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
8 s

Outgoing Mails

We have not received any emails from a @lieb-software.dev address so far. Test mail delivery

Certificates

First seen at:

CN=mail.schwarzer-milan.eu

Certificate chain
  • mail.schwarzer-milan.eu
    • 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.schwarzer-milan.eu
Alternative Names
  • mail.lieb-software.dev
  • mail.schwarzer-milan.eu
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-04-26
Not valid after
2024-07-25
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D2:E7:83:88:8F:C8:91:E7:78:68:A3:98:A4:3F:1F:34:CE:22:8A:BE:87:D3:D7:C2:25:D7:AD:2C:AA:6F:09:C4
SHA1
01:80:21:73:51:AA:98:BD:89:6F:F8:6E:E2:F6:D6:E6:93:C2:E8:C2
X509v3 extensions
subjectKeyIdentifier
  • 98:ED:79:AB:EE:43:2E:22:6D:EE:41:9A:7A:A7:0E:3B:C3:A5:E9:93
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 : 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 : Apr 27 00:13:15.885 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:BD:81:65:C3:97:EC:A3:5C:18:F3:0F:
  • 4D:FD:38:0F:2E:4F:93:02:DA:28:DA:8C:62:A8:2D:D5:
  • 51:9F:24:15:D1:02:21:00:AF:B0:FE:70:3F:0A:6A:52:
  • 26:16:1F:C8:F3:06:73:FF:27:68:F6:50:4F:8F:F0:EA:
  • 5D:23:9D:06:95:B8:D5:B9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Apr 27 00:13:15.914 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:97:4E:73:2F:8D:35:2F:69:EC:A1:85:
  • 0B:E6:8B:83:81:6B:77:A4:A3:B9:EA:B4:28:D7:0A:B6:
  • E1:C8:4D:29:CA:02:21:00:A0:3B:68:BA:75:E8:2B:41:
  • 57:76:0D:6D:93:89:43:65:77:CE:5A:3C:6D:CD:C5:BB:
  • F9:EE:E4:59:88:57:1D:7F