SSL check results of caudal.cu

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Discover if the mail servers for caudal.cu 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

Report created Tue, 14 Jan 2020 17:34:58 +0000

We can not guarantee a secure connection to the mailservers of caudal.cu!

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

https://ssl-tools.net/mailservers/caudal.cu

Servers

Incoming Mails

These servers are responsible for incoming mails to @caudal.cu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
dellserver.caudal.cu
200.55.132.2
Results incomplete
0 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mx.caudal.cu
190.6.81.173
10
supported
*.caudal.cu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
17 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.caudal.cu,O=caudal.cu,OU=Proxmox Mail Gateway

Certificate chain
  • *.caudal.cu (Certificate is self-signed.)
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Unknown Authority

Subject
Organizational Unit (OU)
  • Proxmox Mail Gateway
Organization (O)
  • caudal.cu
Common Name (CN)
  • *.caudal.cu
Issuer

Certificate is self-signed.

validity period
Not valid before
2019-05-28
Not valid after
2029-05-25
Fingerprints
SHA256
E8:69:C1:08:D3:11:C4:96:03:02:54:44:D3:15:EB:9D:68:5A:FA:AD:44:B9:0C:07:0C:93:20:31:56:30:53:48
SHA1
C4:E0:62:ED:E0:E9:27:47:4D:50:9D:7E:EB:1D:AA:EC:7E:09:76:FF