SSL-Tools

SSL check results of hms.ejk.cz

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Discover if the mail servers for hms.ejk.cz 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, 13 Apr 2021 15:52:42 +0000

We can not guarantee a secure connection to the mailservers of hms.ejk.cz!

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

/mailservers/hms.ejk.cz

Servers

Incoming Mails

These servers are responsible for incoming mails to @hms.ejk.cz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.ejk.cz
213.168.185.113
 10
supported
www.ejk.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
5 s
columbia.dragon.cz
213.168.176.4
Results incomplete
20
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Outgoing Mails

We have not received any emails from a @hms.ejk.cz address so far. Test mail delivery

Certificates

First seen at:

C=CZ,L=Benatky,OU=IT,O=EJK s.r.o.,CN=www.ejk.cz

Certificate chain
  • www.ejk.cz (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
Subject
Common Name (CN)
  • www.ejk.cz
Organization (O)
  • EJK s.r.o.
Organizational Unit (OU)
  • IT
Locality (L)
  • Benatky
Country (C)
  • CZ
Alternative Names
  • www.ejk.cz
Issuer

Certificate is self-signed.

validity period
Not valid before
2021-04-13
Not valid after
2031-04-13
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • Certificate Sign
  • CRL Sign
  • TLS Web Server Authentication
  • Code Signing
  • E-mail Protection
  • Time Stamping
  • OCSP Signing
Fingerprints
SHA256
E1:B8:D8:4E:D2:97:30:FD:8B:70:1F:85:54:77:68:A2:0F:BA:FF:49:92:22:52:51:39:4B:0A:AD:96:95:95:E9
SHA1
6D:95:5C:E0:E2:12:07:44:6C:76:0E:9F:65:67:46:A0:5A:BC:7B:68
X509v3 extensions
subjectKeyIdentifier
  • 77:1E:1C:40:EA:6C:1F:E4:54:4E:67:9C:EB:90:8C:25:3C:20:42:BD
authorityKeyIdentifier
  • keyid:77:1E:1C:40:EA:6C:1F:E4:54:4E:67:9C:EB:90:8C:25:3C:20:42:BD
1_3_6_1_4_1_10311_1_2_325
  • 1.