SSL-Tools

SSL check results of smtp.zecernia.eu

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Discover if the mail servers for smtp.zecernia.eu 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, 22 Jun 2025 00:30:42 +0000

The mailservers of smtp.zecernia.eu can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.zecernia.eu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.zecernia.eu
195.162.24.128
 -
supported
ftp.zecernia.eu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @smtp.zecernia.eu address so far. Test mail delivery

Certificates

First seen at:

CN=ftp.zecernia.eu

Certificate chain
  • ftp.zecernia.eu
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • ftp.zecernia.eu
Alternative Names
  • ftp.zecernia.eu
  • mail.zecernia.eu
  • pop.zecernia.eu
  • smtp.zecernia.eu
  • zecernia.eu
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-04-24
Not valid after
2025-07-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AF:B2:7A:71:54:19:5F:E7:E2:92:78:96:81:92:17:D0:23:F8:75:EB:B9:E8:02:10:EE:C3:9E:20:F5:4E:D1:F5
SHA1
9D:01:CB:E3:E4:49:E8:57:49:3D:E3:AC:A8:58:F3:4E:45:21:AC:E1
X509v3 extensions
subjectKeyIdentifier
  • F0:E8:B9:DC:A2:C2:FA:09:6B:E8:3E:E2:77:E2:67:8A:D7:86:B9:0B
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/23.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Apr 24 12:20:41.089 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FF:48:5C:F6:9A:25:93:B3:21:5B:17:
  • A2:AE:FD:10:2A:85:42:6B:27:86:B0:74:B3:11:CF:0D:
  • 7C:AB:D9:0C:DC:02:20:16:DF:8B:8E:44:5A:C5:01:B4:
  • 64:00:3A:02:7F:5C:1E:AE:85:FA:0C:4D:B2:CE:29:89:
  • 0C:11:C4:6F:C4:57:74
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Apr 24 12:20:41.112 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5E:E3:AA:C2:49:8C:C4:49:FE:51:2D:EB:
  • BC:5E:95:61:8D:B7:06:90:4B:C6:09:8E:4F:B6:32:85:
  • 5C:7C:6E:47:02:21:00:CF:F0:33:6D:3F:30:1F:CD:07:
  • 64:8A:AB:2A:EA:70:42:64:39:58:72:09:FC:1C:1B:4E:
  • B6:E4:A4:98:46:00:6D