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SSL check results of smtp.e-boom.nl

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Discover if the mail servers for smtp.e-boom.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 Fri, 25 Jul 2025 19:26:50 +0000

The mailservers of smtp.e-boom.nl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.e-boom.nl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.e-boom.nl
141.224.219.221
 -
supported
e-boom.nl
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 @smtp.e-boom.nl address so far. Test mail delivery

Certificates

First seen at:

CN=e-boom.nl

Certificate chain
  • e-boom.nl
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • e-boom.nl
Alternative Names
  • chat.e-boom.nl
  • e-boom.nl
  • mail.e-boom.nl
  • smtp.e-boom.nl
  • www.e-boom.nl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-07-23
Not valid after
2025-10-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
39:37:44:DB:E7:2A:87:33:C3:3F:B2:AE:76:86:C2:94:98:5C:24:27:5A:72:48:AD:2E:AD:7D:3C:6A:A2:96:3D
SHA1
A2:2A:E7:54:0C:73:7F:AC:70:5C:E6:B4:BB:1F:B2:33:9A:4A:C5:34
X509v3 extensions
subjectKeyIdentifier
  • 84:01:3E:46:0F:96:D5:BE:4C:1C:46:74:1E:FA:96:C3:3E:65:14:15
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • 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/10.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Jul 23 18:53:47.030 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:EB:5C:43:9A:D2:E1:93:30:D0:27:C6:
  • 15:8D:77:1E:E1:20:BE:D7:2C:B4:57:F4:65:C9:64:31:
  • F5:A8:BE:D3:4A:02:20:05:00:9E:48:F2:75:C8:4E:54:
  • 32:95:E6:FE:46:25:8E:EA:21:A7:35:31:EF:70:22:CF:
  • AA:1A:17:3D:85:E1:F5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:04:FF:49:D0:54:1D:40:AF:F6:A0:C3:BF:F1:D8:C4:
  • 67:2F:4E:EC:EE:23:40:68:98:6B:17:40:2E:DC:89:7D
  • Timestamp : Jul 23 18:53:47.033 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6F:86:78:11:6F:77:8D:8C:04:DE:64:AC:
  • 4E:FF:50:15:8C:88:DE:91:52:9B:30:F4:1B:36:1F:B9:
  • B8:25:D2:F9:02:21:00:D4:43:BA:01:81:FD:51:55:F1:
  • 74:ED:A1:11:09:3D:31:BF:7E:AC:C3:3B:8C:9D:1A:6A:
  • D9:5B:57:1B:6D:0B:53