SSL-Tools

SSL check results of m-pro.cz

NEW You can also bulk check multiple servers.

Discover if the mail servers for m-pro.cz 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, 28 May 2020 00:30:55 +0000

The mailservers of m-pro.cz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @m-pro.cz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.hosting-centre.cz
194.228.31.100
 5
supported
smtp.hosting-centre.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s

Outgoing Mails

We have not received any emails from a @m-pro.cz address so far. Test mail delivery

Certificates

First seen at:

CN=smtp.hosting-centre.cz,OU=Operations,O=O2 Czech Republic a.s.,L=Praha 4,ST=Hlavní město Praha,C=CZ

Certificate chain
Subject
Country (C)
  • CZ
State (ST)
  • Hlavní město Praha
Locality (L)
  • Praha 4
Organization (O)
  • O2 Czech Republic a.s.
Organizational Unit (OU)
  • Operations
Common Name (CN)
  • smtp.hosting-centre.cz
Alternative Names
  • smtp.hosting-centre.cz
  • smtp1.hosting-centre.cz
  • smtp2.hosting-centre.cz
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • Thawte TLS RSA CA G1
validity period
Not valid before
2020-01-27
Not valid after
2022-01-26
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D3:9F:E6:7A:E1:7D:BF:9C:D4:7C:5C:34:71:AB:00:A1:AC:3B:FA:E2:71:E3:4F:13:8A:31:29:58:FD:50:5A:9B
SHA1
E1:03:54:BD:A2:A0:41:6F:D0:54:9A:51:8D:0F:E9:91:E8:B2:68:70
X509v3 extensions
authorityKeyIdentifier
  • keyid:A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
  • 97:0C:36:48:C3:D3:64:4B:9A:8F:B8:5D:3A:B1:4E:07:B4:5A:FF:D6
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
certificatePolicies
  • Policy: 2.16.840.1.114412.1.1
  • CPS: https://www.digicert.com/CPS
  • Policy: 2.23.140.1.2.2
authorityInfoAccess
  • OCSP - URI:http://status.thawte.com
  • CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:B9:09:90:B4:18:58:14:87:BB:13:A2:CC:67:70:0A:
  • 3C:35:98:04:F9:1B:DF:B8:E3:77:CD:0E:C8:0D:DC:10
  • Timestamp : Jan 27 13:47:07.089 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E8:3B:8E:D2:FE:E6:70:23:5F:85:89:
  • 44:48:85:D3:D2:25:B6:54:90:E8:F0:52:CE:EF:7E:18:
  • 62:EF:0A:16:C6:02:20:56:7D:62:21:B5:D5:87:0B:16:
  • F9:59:77:A3:C9:DD:A8:20:52:70:90:2B:5B:25:8A:6F:
  • 04:BE:22:80:6E:F3:E1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 22:45:45:07:59:55:24:56:96:3F:A1:2F:F1:F7:6D:86:
  • E0:23:26:63:AD:C0:4B:7F:5D:C6:83:5C:6E:E2:0F:02
  • Timestamp : Jan 27 13:47:07.140 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:11:C4:59:8A:D0:BA:93:55:D8:81:F1:31:
  • 5C:09:D9:17:FA:5E:B8:5B:BB:D0:6E:F8:82:3F:C4:6B:
  • BD:B8:9A:E5:02:20:71:E6:A9:0B:6C:A0:DD:92:9D:86:
  • 2B:B4:B0:F9:BD:A7:C4:37:81:D6:E9:4D:AA:3D:BB:A8:
  • CA:C3:83:95:E6:FC
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 51:A3:B0:F5:FD:01:79:9C:56:6D:B8:37:78:8F:0C:A4:
  • 7A:CC:1B:27:CB:F7:9E:88:42:9A:0D:FE:D4:8B:05:E5
  • Timestamp : Jan 27 13:47:07.179 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:14:05:0D:9E:F5:B1:14:31:9E:29:DB:1E:
  • 8F:31:72:1F:49:2A:51:26:6B:50:A4:2C:4D:81:8D:3E:
  • F6:F6:FB:87:02:21:00:BC:91:9F:0B:BA:C1:78:04:3C:
  • 13:17:EA:77:69:A3:6A:A3:3C:79:80:7C:E1:27:46:C7:
  • F6:B1:4B:AA:97:D1:D8