SSL-Tools

SSL check results of deroocom.nl

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Discover if the mail servers for deroocom.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 Tue, 11 Jun 2024 12:19:25 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.deroocom.nl
5.9.124.236
 1
supported
deroocom.nl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=deroocom.nl

Certificate chain
Subject
Common Name (CN)
  • deroocom.nl
Alternative Names
  • deroocom.nl
  • mail.deroocom.nl
  • webmail.deroocom.nl
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2023-05-26
Not valid after
2024-06-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
3B:61:FF:F8:2F:1F:69:72:84:16:59:F8:C1:9C:54:73:99:E2:0B:98:03:91:54:43:4F:BD:09:24:E6:30:8F:DB
SHA1
A1:A1:FD:89:CB:C2:71:2F:DA:35:ED:90:4C:C9:8A:E4:90:2E:F8:65
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • BB:CA:48:66:94:FF:AF:76:03:82:02:49:74:78:69:5D:4C:08:6F:6F
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
  • 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 : May 26 10:56:40.271 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A9:0E:8D:A2:94:C8:8B:3C:C3:07:F7:
  • 28:C3:01:BB:EC:86:1E:15:AD:CC:3E:C3:19:27:D5:2B:
  • 05:09:AC:06:2E:02:20:2C:E6:92:C7:E4:1E:80:68:91:
  • A5:7F:1E:83:F7:A9:68:86:78:D4:8B:57:FE:C7:C9:9F:
  • 87:C9:39:EA:35:0D:B5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
  • 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
  • Timestamp : May 26 10:56:40.361 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CA:06:5E:9C:AC:14:04:41:99:4B:AB:
  • 0E:A2:B1:E1:8D:5E:1F:2B:92:02:F0:35:95:CB:F2:83:
  • 29:4C:A3:9A:60:02:21:00:F8:D3:76:5D:6B:D5:12:13:
  • DE:4D:74:11:50:44:13:1F:5D:17:A8:10:18:02:6D:21:
  • 89:FD:03:93:6C:C8:F1:4B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : May 26 10:56:40.389 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:EC:24:3B:C8:F1:FE:83:F7:8A:69:F7:
  • A5:97:E9:DF:BB:86:B8:9A:70:A3:E9:D4:98:DF:0D:C6:
  • F9:F4:44:AC:46:02:20:34:BC:17:C0:94:0E:42:5B:5E:
  • A4:03:45:B7:45:05:97:3F:DA:5B:02:C0:F2:47:99:63:
  • 05:79:00:77:C1:6F:84