SSL-Tools

SSL check results of mail.mestocernovice.cz

NEW You can also bulk check multiple servers.

Discover if the mail servers for mail.mestocernovice.cz 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 Wed, 24 Apr 2024 21:02:56 +0000

The mailservers of mail.mestocernovice.cz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.mestocernovice.cz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.mestocernovice.cz
90.181.254.39
 -
supported
mail.mestocernovice.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.mestocernovice.cz

Certificate chain
  • mail.mestocernovice.cz
    • remaining
    • 3072 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.mestocernovice.cz
Alternative Names
  • mail.mestocernovice.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-04-19
Not valid after
2024-07-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
8B:A2:0F:D3:EC:21:56:8F:00:87:75:8F:57:AD:08:F4:CE:F4:2F:31:E6:40:30:3A:67:70:74:B4:16:3C:6E:19
SHA1
D2:00:83:6D:05:1B:35:E1:AC:59:68:28:63:5F:27:DE:17:16:DF:87
X509v3 extensions
subjectKeyIdentifier
  • 94:91:83:6E:2D:57:23:71:83:67:CB:F6:66:2B:20:83:E4:B3:AF:67
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 : Apr 19 05:50:46.221 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:32:D5:42:46:FC:A8:92:34:93:E1:A0:04:
  • 9B:A1:86:1D:45:6E:8C:54:F0:B9:73:51:DF:52:4D:4A:
  • 2A:65:DE:7E:02:21:00:9C:91:1B:E9:E8:86:96:3F:3C:
  • 55:17:49:CB:AC:BA:77:DF:7B:2B:A6:19:D0:B2:BD:D5:
  • DF:CC:BF:74:43:82:0A
  • 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 19 05:50:46.203 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0B:6F:A2:9D:8A:06:0C:A1:E6:A4:34:5C:
  • 58:4A:A9:D3:B4:C7:31:82:2B:96:6D:28:36:AF:BD:B8:
  • 1C:57:B1:07:02:20:2E:C1:48:B2:A1:D4:AD:62:B0:05:
  • D7:34:BA:CF:7D:DC:AF:9F:E2:B1:40:13:4B:FD:56:25:
  • B6:D8:15:8A:0C:3C