SSL-Tools

SSL check results of edda.cz

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Discover if the mail servers for edda.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 Fri, 29 May 2020 13:11:31 +0000

The mailservers of edda.cz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @edda.cz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
kolbaba.espo.cz
81.19.0.69
 0
supported
kolbaba.espo.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
9 s

Outgoing Mails

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

Certificates

First seen at:

CN=kolbaba.espo.cz

Certificate chain
Subject
Common Name (CN)
  • kolbaba.espo.cz
Alternative Names
  • kolbaba.espo.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-30
Not valid after
2020-06-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E2:02:5C:DF:C2:A8:9D:B0:1B:6C:64:C5:AC:2E:D7:AD:4A:23:7B:0E:86:EE:23:40:7A:E4:F4:84:9B:75:BA:25
SHA1
D4:64:D8:3C:FB:F1:B1:01:C9:A6:C3:C2:65:55:3E:B9:6A:86:9C:7B
X509v3 extensions
subjectKeyIdentifier
  • 58:63:99:2F:87:6E:E4:B5:34:40:9F:2F:DA:63:2C:52:E2:37:24:F4
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Mar 30 10:14:53.031 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:EF:39:2D:49:F1:2F:01:26:1A:17:85:
  • 93:67:77:15:43:9E:B5:9D:98:DB:04:15:19:47:C5:98:
  • 31:2B:43:26:A2:02:20:24:2C:17:DB:89:98:4B:25:0A:
  • 35:35:3F:6A:D2:C4:46:7C:A4:87:0C:81:FC:A3:C4:72:
  • D7:83:98:34:5E:51:CB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Mar 30 10:14:53.586 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:36:1B:63:06:7E:B4:97:56:6E:38:A2:7F:
  • C9:2E:78:D5:76:C9:AE:FE:BC:BB:91:5D:5A:47:98:77:
  • 19:43:1B:11:02:21:00:B3:F5:CC:47:06:2E:C9:86:8E:
  • 70:42:6D:0A:6D:EE:A4:C4:05:E9:8E:83:E7:10:EF:EB:
  • A0:08:8C:55:D9:24:E7