SSL-Tools

SSL check results of perfektum-company.ru

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Discover if the mail servers for perfektum-company.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

JSON Refresh

Report created Tue, 26 May 2020 03:54:17 +0000

We can not guarantee a secure connection to the mailservers of perfektum-company.ru!

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

/mailservers/perfektum-company.ru

Servers

Incoming Mails

These servers are responsible for incoming mails to @perfektum-company.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.perfektum-company.ru
2a01:4f8:231:bc2::2
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s
mail.perfektum-company.ru
195.201.155.139
 10
supported
revo.good-host.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • ECDHE_RSA_WITH_RC4_128_SHA
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mail.perfektum-company.ru
2a01:4f8:231:bc2::2
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s
mail.perfektum-company.ru
195.201.155.139
 20
supported
revo.good-host.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • ECDHE_RSA_WITH_RC4_128_SHA
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

emailAddress=root@revo.good-host.net,CN=revo.good-host.net,OU=XX,O=XX,L=XX,ST=XX,C=XX

Certificate chain
  • revo.good-host.net (Certificate is self-signed.)
    • remaining
    • 1024 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority
Subject
Country (C)
  • XX
State (ST)
  • XX
Locality (L)
  • XX
Organization (O)
  • XX
Organizational Unit (OU)
  • XX
Common Name (CN)
  • revo.good-host.net
Email
  • root@revo.good-host.net
Issuer

Certificate is self-signed.

validity period
Not valid before
2018-07-25
Not valid after
2028-07-22
Fingerprints
SHA256
40:33:D2:69:B4:DD:34:B0:73:B7:0B:0E:0B:9A:0B:79:2E:6B:3E:3D:92:74:DA:57:91:E1:21:88:9A:0B:7C:A4
SHA1
63:45:29:9D:15:68:61:80:96:FC:EC:A4:CA:F9:04:65:6A:68:04:F3
X509v3 extensions
subjectKeyIdentifier
  • F0:D8:D8:79:76:0E:F9:E6:C6:19:06:CC:A5:1C:02:CB:1C:38:10:EC
authorityKeyIdentifier
  • keyid:F0:D8:D8:79:76:0E:F9:E6:C6:19:06:CC:A5:1C:02:CB:1C:38:10:EC