SSL-Tools

SSL check results of mmmgroup.at

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Discover if the mail servers for mmmgroup.at 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 Wed, 19 May 2021 11:00:21 +0000

The mailservers of mmmgroup.at can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mmmgroup.at addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailscan01.mmc.at
212.108.33.17
 10
supported
mailscan01.mmc.at
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mailscan02.mmc.at
212.108.33.18
Results incomplete
20 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=mailscan01.mmc.at

Certificate chain
  • mailscan01.mmc.at
    • 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)
  • mailscan01.mmc.at
Alternative Names
  • mail.mmc.at
  • mailscan01.mmc.at
  • mailscan02.mmc.at
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-04-13
Not valid after
2021-07-12
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
5B:84:8C:1C:91:C7:64:6B:DB:ED:1B:77:8A:C6:46:E8:A2:BB:EF:0E:4D:62:7D:2E:C7:75:E3:B4:09:A8:A0:7F
SHA1
C1:F6:1A:4E:21:E0:0A:35:BE:8E:E6:EA:80:7E:39:52:1D:E1:C0:A7
X509v3 extensions
subjectKeyIdentifier
  • 94:84:25:1B:83:8D:20:8D:40:9C:47:7F:E0:2D:F4:E3:DF:09:0A:48
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 : 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 : Apr 13 01:16:55.851 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1A:CF:F0:B6:0D:73:F3:A2:6A:F0:F9:C5:
  • 72:B8:79:B2:0D:25:82:D4:1F:E1:D3:63:33:11:10:46:
  • F9:43:C1:C1:02:21:00:8A:DA:4E:98:1F:7C:50:A2:E4:
  • F2:63:33:FC:79:42:22:92:5F:18:5C:47:39:17:9C:52:
  • D0:5F:23:48:1D:AA:45
  • 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 : Apr 13 01:16:56.284 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:B8:C8:06:C1:8D:CB:16:73:25:DF:F1:
  • 25:51:00:81:09:80:8F:34:84:7A:FE:29:35:BE:AF:89:
  • 31:75:19:4C:07:02:21:00:BD:04:C7:94:25:90:F0:10:
  • 53:5A:95:4A:A8:40:18:95:5D:A8:97:2B:83:55:E3:F5:
  • 7E:BC:17:FF:A7:B4:24:E3