SSL-Tools

SSL check results of castletech.com.au

NEW You can also bulk check multiple servers.

Discover if the mail servers for castletech.com.au 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

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Report created Mon, 06 Jul 2020 05:31:07 +0000

We can not guarantee a secure connection to the mailservers of castletech.com.au!

Please contact the operator of castletech.com.au and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/castletech.com.au

Servers

Incoming Mails

These servers are responsible for incoming mails to @castletech.com.au addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.castletech.com.au
13.75.187.5
 1
supported
mail.castletech.com.au
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • SSLv3
20 s
mailforward21.cloudns.net
2a00:1768:1001:9::23
Results incomplete
5
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mailforward21.cloudns.net
109.201.133.110
Results incomplete
5
supported
not checked
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 @castletech.com.au address so far. Test mail delivery

Certificates

First seen at:

emailAddress=postmaster@castletech.com.au,CN=mail.castletech.com.au,OU=IT,O=Castle Technology,L=Newcastle,ST=NSW,C=AU

Certificate chain
  • mail.castletech.com.au (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
Subject
Country (C)
  • AU
State (ST)
  • NSW
Locality (L)
  • Newcastle
Organization (O)
  • Castle Technology
Organizational Unit (OU)
  • IT
Common Name (CN)
  • mail.castletech.com.au
Email
  • postmaster@castletech.com.au
Issuer

Certificate is self-signed.

validity period
Not valid before
2020-06-26
Not valid after
2021-06-26
Fingerprints
SHA256
3C:2B:73:95:A7:37:0C:CA:77:73:FE:94:98:D7:39:06:23:D0:D0:69:E8:96:4E:1F:1D:5A:9E:EB:36:93:A9:15
SHA1
1C:A9:18:7E:9F:C0:C2:F9:F4:85:B2:B8:3A:93:E1:8E:54:C9:A1:67