SSL-Tools

SSL check results of mail.posklip.co.za

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Discover if the mail servers for mail.posklip.co.za 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, 05 Jan 2021 10:29:33 +0000

The mailservers of mail.posklip.co.za can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.posklip.co.za addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.posklip.co.za
185.250.105.8
 -
supported
posklip.co.za
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s

Outgoing Mails

We have not received any emails from a @mail.posklip.co.za address so far. Test mail delivery

Certificates

First seen at:

CN=posklip.co.za

Certificate chain
  • posklip.co.za
    • remaining
    • 384 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • DST Root CA X3 (Certificate is self-signed.)
            • remaining
            • 2048 bit
            • sha1WithRSAEncryption
Subject
Common Name (CN)
  • posklip.co.za
Alternative Names
  • ftp.posklip.co.za
  • mail.posklip.co.za
  • pop.posklip.co.za
  • posklip.co.za
  • smtp.posklip.co.za
  • www.posklip.co.za
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-01-05
Not valid after
2021-04-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B2:BD:CA:0D:DF:87:96:0F:D0:8D:64:82:22:EE:F9:60:5A:50:18:3F:1A:0A:86:16:FA:C4:09:57:CC:49:D9:C4
SHA1
7F:AD:F7:FA:C0:9D:79:4B:A9:4E:D6:6E:87:64:52:3D:D3:21:46:B9
X509v3 extensions
subjectKeyIdentifier
  • 6D:EE:91:BD:C4:EC:4C:83:E3:96:DA:B3:38:30:D8:5F:F0:40:0E:50
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
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:20:BC:1E:8E:D5:8D:6C:88:73:1F:82:8B:22:2C:0D:
  • D1:DA:4D:5E:6C:4F:94:3D:61:DB:4E:2F:58:4D:A2:C2
  • Timestamp : Jan 5 08:16:11.221 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A5:BE:80:1C:9B:FC:7C:6E:84:57:22:
  • 22:0E:48:B9:99:18:D8:BF:7E:96:A6:40:89:5B:09:5D:
  • DF:1D:04:D8:5E:02:20:31:67:C2:C9:7B:F3:30:4F:16:
  • 05:FE:3E:6A:49:67:5A:EC:22:AD:68:79:C7:FB:F2:09:
  • 5B:50:5C:47:B9:42:21
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Jan 5 08:16:11.225 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:88:66:4A:D7:F4:30:44:CA:12:00:CE:
  • 2A:29:A3:67:CB:7E:DC:20:B2:EB:0C:2E:26:FA:B0:59:
  • 05:82:43:60:3A:02:21:00:B2:A7:3A:45:77:9F:F7:24:
  • B4:2B:A8:C9:F2:16:2A:3A:83:86:8F:B3:88:97:57:EE:
  • A4:5D:38:BE:38:56:B4:43