SSL-Tools

SSL check results of mzc11.nl

NEW You can also bulk check multiple servers.

Discover if the mail servers for mzc11.nl 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 00:30:41 +0000

The mailservers of mzc11.nl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mzc11.nl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.mzc11.nl
23.88.7.56
 10
supported
mzc11.nl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @mzc11.nl address so far. Test mail delivery

Certificates

First seen at:

CN=mzc11.nl

Certificate chain
  • mzc11.nl
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E6
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mzc11.nl
Alternative Names
  • ftp.mzc11.nl
  • mail.mzc11.nl
  • mzc11.nl
  • webmail.mzc11.nl
  • webshop.mzc11.nl
  • www.mzc11.nl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E6
validity period
Not valid before
2025-06-09
Not valid after
2025-09-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E5:5B:EF:E4:95:C2:F6:B8:CA:67:E5:EF:86:EC:4E:DA:37:C9:F6:0C:85:7D:80:DA:20:AD:3C:56:D7:1C:70:F9
SHA1
54:60:5C:76:DC:51:ED:7C:FF:86:D3:BA:33:FD:53:71:65:FF:7D:16
X509v3 extensions
subjectKeyIdentifier
  • 64:53:3D:87:F4:65:8E:15:25:AB:0F:13:4E:59:D8:F8:E4:A9:D0:8E
authorityKeyIdentifier
  • keyid:93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
  • CA Issuers - URI:http://e6.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e6.c.lencr.org/67.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 : Jun 9 20:20:42.836 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:69:67:6B:53:BF:72:11:EB:0D:C5:EB:C6:
  • DB:7A:0E:BE:F0:DC:94:7A:F3:4B:CC:86:66:BF:06:16:
  • 59:24:68:1C:02:20:50:3C:43:56:61:E6:1B:34:0E:E8:
  • A2:42:4F:2B:AF:EC:DF:FF:CB:C4:C1:46:D3:C1:D5:85:
  • B7:E9:19:83:D6:3F
  • 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 : Jun 9 20:20:42.955 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:42:90:29:0B:AD:8F:85:49:E0:48:B4:D4:
  • FE:0F:67:5E:52:0E:26:07:5E:7D:9E:D4:B0:3E:F0:EB:
  • 8D:90:23:94:02:20:7C:B7:C6:EA:0A:65:0A:EB:0B:6E:
  • 3E:C7:75:9D:59:99:63:B6:AB:82:3C:B7:01:30:41:5C:
  • A2:1C:7A:CE:28:41