SSL-Tools

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

JSON Refresh

Report created Thu, 19 Jun 2025 07:04:39 +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
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
      • R11
        • 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)
  • R11
validity period
Not valid before
2025-06-05
Not valid after
2025-09-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E1:7E:4B:04:4C:14:A8:9F:D9:48:03:6B:21:0F:F9:51:40:09:50:BF:97:7D:55:02:8E:5F:A8:8E:35:43:AF:5C
SHA1
BA:A5:7B:C9:76:89:7C:0E:9A:54:15:72:C1:71:48:60:AD:6B:B1:8C
X509v3 extensions
subjectKeyIdentifier
  • 14:F9:D8:19:60:A4:C4:C7:64:8F:5D:CC:41:01:EC:A8:BE:5E:F5:5A
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/4.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Jun 5 06:22:31.539 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8A:B1:63:D0:A3:26:40:3C:61:98:26:
  • 16:45:E6:54:ED:7E:BB:62:EA:E8:BB:47:0A:D1:12:E5:
  • 4D:86:66:B2:17:02:20:3D:B1:2E:5F:B3:22:C3:C3:17:
  • A4:33:77:01:40:5E:21:77:6E:EC:4D:19:1A:12:5F:99:
  • 86:84:B9:7E:46:2A:40
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1A:04:FF:49:D0:54:1D:40:AF:F6:A0:C3:BF:F1:D8:C4:
  • 67:2F:4E:EC:EE:23:40:68:98:6B:17:40:2E:DC:89:7D
  • Timestamp : Jun 5 06:22:31.874 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:CA:E5:42:EF:96:A6:2A:F9:73:99:4D:
  • 6E:07:0F:79:9C:52:29:20:7D:A9:E7:3B:71:AF:25:BA:
  • BD:4F:C9:74:3D:02:20:70:A9:A7:91:F6:4E:B6:6E:E4:
  • E5:C1:7E:90:0B:1E:71:8A:E8:D8:0A:B9:26:63:0B:A8:
  • AE:51:07:0E:10:8C:E6