SSL check results of trustnetwork.cz

NEW You can also bulk check multiple servers.

Discover if the mail servers for trustnetwork.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

Report created Wed, 22 Sep 2021 15:22:41 +0000

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

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

/mailservers/trustnetwork.cz

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.trustnetwork.cz
2a01:5e0:5c::13:8
Results incomplete
10
supported
not checked
DANE
missing
PFS
unsupported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
smtp.trustnetwork.cz
2a01:5e0:5c::13:8
Results incomplete
10
supported
not checked
DANE
missing
PFS
unsupported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
smtp.trustnetwork.cz
77.48.13.8
Results incomplete
10
supported
not checked
DANE
missing
PFS
unsupported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
smtp2.trustnetwork.cz
2a01:430:17:1::ffff:444
20
supported
wp-sites.trustnetwork.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s
smtp2.trustnetwork.cz
37.205.9.1
20
supported
wp-sites.trustnetwork.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 @trustnetwork.cz address so far. Test mail delivery

Certificates

First seen at:

CN=wp-sites.trustnetwork.cz

Certificate chain
Subject
Common Name (CN)
  • wp-sites.trustnetwork.cz
Alternative Names
  • bagcar.cz
  • inethome.cz
  • lubovsky.vps.trustnetwork.cz
  • mobil.vps.trustnetwork.cz
  • shop.vps.trustnetwork.cz
  • smtp2.trustnetwork.cz
  • stavnextstavby.cz
  • testcert.tornadohelp.cz
  • testik.vps.trustnetwork.cz
  • tornadohelp.cz
  • trustmobil.cz
  • trustservis.vps.trustnetwork.cz
  • web.vps.trustnetwork.cz
  • wp-mobil.trustnetwork.cz
  • wp-sites.trustnetwork.cz
  • www.bagcar.cz
  • www.inethome.cz
  • www.mobil.vps.trustnetwork.cz
  • www.stavnextstavby.cz
  • www.testcert.tornadohelp.cz
  • www.testik.vps.trustnetwork.cz
  • www.tornadohelp.cz
  • www.trustmobil.cz
  • www.trustnetwork.cz
  • www.trustservis.vps.trustnetwork.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-09-14
Not valid after
2021-12-13
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E4:2A:75:8E:F3:E3:6C:B2:69:67:8E:B1:55:8C:AE:26:07:09:23:36:1E:F9:7E:62:68:1D:C2:92:9D:49:FE:54
SHA1
51:A7:A4:8B:A7:DD:F9:6D:19:EE:9B:40:11:AF:6D:C7:5E:EB:4E:39
X509v3 extensions
subjectKeyIdentifier
  • 0D:2C:8C:54:C2:0A:2C:CE:7A:A4:87:C3:73:5F:20:BC:FA:E3:D6:B5
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 : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Sep 14 01:04:58.311 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:3E:63:47:AB:46:FD:E9:39:22:1D:9E:7C:
  • 04:BB:BD:3C:E0:6C:29:0E:D4:1E:19:A0:14:7A:C8:CB:
  • A1:5D:F5:DF:02:20:2D:84:B2:36:F2:91:DC:0D:59:65:
  • 10:26:1D:C2:1E:0D:4A:4E:F9:37:CD:F7:F9:D9:F3:8F:
  • 4A:84:C9:67:23:B9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Sep 14 01:04:58.683 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7C:73:40:28:79:2A:B6:27:37:08:50:E4:
  • 28:44:EA:58:5C:12:55:10:36:D0:B6:83:0A:A9:09:6E:
  • 57:88:3A:50:02:21:00:E6:73:A6:09:86:EF:26:A4:B0:
  • 0F:8C:F9:85:31:79:67:DF:61:23:72:2E:1A:F3:47:A7:
  • 66:26:8A:AB:03:E8:A9