SSL check results of rezonit.ru

NEW You can also bulk check multiple servers.

Discover if the mail servers for rezonit.ru 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 Fri, 14 Mar 2025 01:37:44 +0000

We can not guarantee a secure connection to the mailservers of rezonit.ru!

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

/mailservers/rezonit.ru

Servers

Incoming Mails

These servers are responsible for incoming mails to @rezonit.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
zub-ksmg-01.rezonit.ru
178.218.17.58
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s
zub-ksmg-01.rezonit.ru
79.120.70.36
10
supported
Default Cert
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
alb-ksmg-01.rezonit.ru
80.243.10.53
10
supported
Default Cert
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
cs-ksmg-01.rezonit.ru
194.126.160.163
10
supported
Default Cert
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=Default Cert

Certificate chain
  • Default Cert (Certificate is self-signed.)
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • Default Cert
Issuer

Certificate is self-signed.

validity period
Not valid before
2024-07-22
Not valid after
2037-12-15
Fingerprints
SHA256
EB:80:5A:3E:1D:51:FF:BF:C3:ED:8F:C0:6C:42:32:78:D0:97:A6:29:18:F2:EE:A4:A9:94:5A:55:7E:8B:B1:1D
SHA1
A4:E2:E4:A2:2B:1F:F1:25:26:2B:16:76:6D:87:4D:49:F4:63:83:52
X509v3 extensions
subjectKeyIdentifier
  • 0A:DB:59:1D:C2:14:B7:40:8D:40:4F:62:C9:05:4A:BA:B4:78:EB:02
authorityKeyIdentifier
  • keyid:0A:DB:59:1D:C2:14:B7:40:8D:40:4F:62:C9:05:4A:BA:B4:78:EB:02