SSL-Tools

SSL check results of magdahankova.cz

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Discover if the mail servers for magdahankova.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 Tue, 29 Sep 2020 07:31:17 +0000

We can not guarantee a secure connection to the mailservers of magdahankova.cz!

Please contact the operator of magdahankova.cz and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/magdahankova.cz

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.dc3.cz
81.0.217.5
 10
supported
mail.dc3.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
blackcat.tele3.cz
89.187.135.100
Results incomplete
20
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.dc3.cz

Certificate chain
Subject
Common Name (CN)
  • mail.dc3.cz
Alternative Names
  • mail.dc3.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-09-14
Not valid after
2020-12-13
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
67:BE:E0:59:F1:C4:28:75:63:9A:33:3D:CD:0F:86:94:8D:35:10:F6:B1:68:D4:B1:4E:5C:14:DC:1A:BB:27:7E
SHA1
6A:48:CE:9C:A8:CB:23:49:11:85:94:83:17:ED:62:65:6E:FA:67:05
X509v3 extensions
subjectKeyIdentifier
  • B9:D8:39:B3:02:5B:23:CC:58:F8:CE:A6:61:EC:62:32:96:DC:AF:DA
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Sep 14 01:04:11.222 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:52:06:31:58:B9:FE:14:5C:61:62:78:75:
  • EF:D2:A8:FB:87:CD:36:54:2C:6B:CA:68:7B:34:59:8B:
  • EC:70:B1:12:02:20:3D:4F:DC:78:6D:7F:B0:25:41:7B:
  • 49:C8:5D:DE:F5:5B:D9:53:A6:2B:61:50:35:10:30:86:
  • 3C:F4:D1:D9:83:AB
  • 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 : Sep 14 01:04:11.217 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:6A:F7:3B:04:FE:E8:5F:A0:9C:D8:FD:DA:
  • 16:67:8A:67:97:A2:DB:CB:4E:03:43:E8:04:DC:5F:40:
  • E0:8F:38:29:02:20:28:9E:68:43:05:40:31:4C:2C:C1:
  • 18:F6:2E:79:9F:98:8A:64:B7:8A:17:E2:31:C2:C5:3E:
  • D1:12:A0:D3:AD:E9