SSL check results of proskon.ru

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Discover if the mail servers for proskon.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 Sat, 06 Mar 2021 07:21:57 +0000

The mailservers of proskon.ru can be reached through a secure connection.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.proskon.ru
92.63.109.7
10
supported
proskon.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
25 s

Outgoing Mails

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

Certificates

First seen at:

CN=proskon.ru

Certificate chain
  • proskon.ru
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption

      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption

          • DST Root CA X3 (Certificate is self-signed.)
            • remaining
            • 2048 bit
            • sha1WithRSAEncryption

Subject
Common Name (CN)
  • proskon.ru
Alternative Names
  • mail.proskon.ru
  • proskon.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-02-03
Not valid after
2021-05-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
25:1D:89:1A:E4:A5:F0:4E:93:CB:A1:A5:5A:E8:A9:6F:55:62:06:EF:F5:77:4D:10:EA:74:D2:98:8A:18:9C:18
SHA1
CF:90:9F:5B:49:30:66:E6:EE:FB:D0:F8:0A:5F:33:FA:9F:30:C3:FD
X509v3 extensions
subjectKeyIdentifier
  • 1A:59:EF:6E:BB:6C:B3:19:F3:3A:4C:5A:24:AE:47:07:16:3D:64:B9
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:20:BC:1E:8E:D5:8D:6C:88:73:1F:82:8B:22:2C:0D:
  • D1:DA:4D:5E:6C:4F:94:3D:61:DB:4E:2F:58:4D:A2:C2
  • Timestamp : Feb 3 21:50:42.235 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:51:8D:E8:08:A4:FC:CD:E2:26:87:58:93:
  • DC:06:CC:8B:23:CA:AF:67:81:E1:3B:6C:70:19:CA:30:
  • D5:4C:52:B4:02:21:00:D5:9B:FB:A0:A7:76:3F:D2:AC:
  • F3:B1:02:11:51:9D:B2:84:26:31:75:97:03:1F:FA:62:
  • BF:8E:4A:5B:EE:E7:FE
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : Feb 3 21:50:42.277 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CC:D0:AF:1A:7E:26:63:99:34:B9:BC:
  • BA:82:8D:81:E8:2C:79:E7:06:FC:7B:5B:52:AE:77:6D:
  • 4C:D0:BB:77:AC:02:21:00:FC:0D:0C:F3:0A:B9:2E:A5:
  • 85:07:A1:90:66:B5:5F:C6:D0:7B:0B:7E:A0:F4:CC:C2:
  • 6F:A9:C7:AC:8D:61:CC:4F