SSL check results of mwca.ru

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Discover if the mail servers for mwca.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 Wed, 03 Sep 2025 05:58:05 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mwca.ru
217.13.219.236
10
supported
mwca.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
14 s
mwca.ru
88.215.138.238
10
supported
mwca.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
14 s

Outgoing Mails

We have received emails from these servers with @mwca.ru sender addresses. Test mail delivery

Host TLS Version & Cipher
mwca.ru (217.13.219.236)
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384

Certificates

First seen at:

CN=mwca.ru

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

      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption

          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption

Subject
Common Name (CN)
  • mwca.ru
Alternative Names
  • mwca.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2025-09-03
Not valid after
2025-12-02
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
BC:05:B9:14:5E:6E:53:07:66:53:19:6F:9E:85:56:57:61:E2:56:BB:05:65:F5:19:46:42:44:DF:B7:27:35:F0
SHA1
D5:E4:F6:D3:30:B0:2D:BD:97:0D:A0:F0:F5:1C:E6:54:B0:29:A0:CD
X509v3 extensions
subjectKeyIdentifier
  • 70:C8:21:63:B1:90:51:CB:13:58:D6:8D:1C:58:73:89:A6:1F:A5:5E
authorityKeyIdentifier
  • keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
  • CA Issuers - URI:http://r12.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/95.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
  • 26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
  • Timestamp : Sep 3 05:48:24.731 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B4:58:BE:94:A8:DD:DF:55:49:B4:9E:
  • 52:F2:C9:78:23:D9:57:8A:1B:88:43:81:C1:7F:38:B2:
  • 13:AF:EE:F6:A0:02:21:00:C6:3A:73:0E:69:3C:8C:A7:
  • 25:27:CA:B2:38:10:02:2C:E3:58:D4:00:CA:48:88:C2:
  • A1:28:03:2E:DF:D0:FE:D5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Sep 3 05:48:24.802 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5D:29:71:25:7C:CB:DC:AA:5C:9E:72:0E:
  • 26:6E:B7:73:ED:94:93:5D:AF:2E:85:E1:4A:42:63:80:
  • F1:7F:E1:84:02:21:00:CB:D9:A1:D0:B2:ED:68:0A:43:
  • 47:1A:D6:07:BF:56:18:FD:B1:A7:4B:40:8C:AF:26:F8:
  • E6:31:7B:2A:A3:0C:F6