SSL-Tools

SSL check results of mail.protorg.msk.ru

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Discover if the mail servers for mail.protorg.msk.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 Thu, 10 Aug 2023 10:23:17 +0000

The mailservers of mail.protorg.msk.ru can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.protorg.msk.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.protorg.msk.ru
194.1.239.154
 -
supported
mail.protorg.msk.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
10 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.protorg.msk.ru

Certificate chain
  • mail.protorg.msk.ru
    • remaining
    • 256 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      R3
Subject
Common Name (CN)
  • mail.protorg.msk.ru
Alternative Names
  • mail.protorg.msk.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2023-07-10
Not valid after
2023-10-08
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
93:C9:C5:4B:19:26:4A:52:97:27:69:C9:98:42:64:9D:69:3A:73:8B:FF:4F:61:74:FF:9A:20:48:C0:70:DE:D5
SHA1
17:F1:B8:D1:31:6B:22:78:80:44:01:77:44:76:FA:A3:9B:65:2F:7C
X509v3 extensions
subjectKeyIdentifier
  • 12:04:53:6C:32:40:F0:48:96:30:F9:1A:8B:48:31:07:59:55:73:9D
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
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B7:3E:FB:24:DF:9C:4D:BA:75:F2:39:C5:BA:58:F4:6C:
  • 5D:FC:42:CF:7A:9F:35:C4:9E:1D:09:81:25:ED:B4:99
  • Timestamp : Jul 10 20:07:13.535 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:3B:D5:19:2B:8A:CC:47:21:EE:A7:C5:4B:
  • 3E:00:96:A6:E8:51:D6:8A:05:A9:8A:D3:C3:46:C4:7F:
  • B5:3B:4C:97:02:20:5C:FF:4F:74:B6:02:BB:86:25:AE:
  • 3A:BA:81:34:B7:E3:C2:FC:4B:6F:FE:FD:BB:C5:25:2D:
  • C2:21:B4:9F:A1:6F
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
  • 16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
  • Timestamp : Jul 10 20:07:13.573 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:26:EE:8F:FA:9B:34:DC:C7:1C:78:F8:AF:
  • 77:84:E7:99:60:D5:30:46:7F:0D:DC:02:66:3A:42:08:
  • F7:A9:F3:C0:02:20:7B:D6:30:DC:D8:BE:4F:76:71:69:
  • CF:F3:81:61:BD:49:64:46:B3:B8:FF:A3:4C:2D:0A:CF:
  • 25:E0:6A:9B:52:8A