SSL check results of aitcom.cz

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Discover if the mail servers for aitcom.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 Tue, 14 Jan 2020 11:54:19 +0000

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

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

https://ssl-tools.net/mailservers/aitcom.cz

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
firma.aitcom.cz
194.213.202.180
10
supported
aitcom.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.0
  • SSLv3
1 s
bmx1.nux.cz
89.233.139.100
40
supported
mail.nux.cz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s
bmx2.nux.cz
149.56.46.205
Results incomplete
50
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 @aitcom.cz address so far. Test mail delivery

Certificates

First seen at:

CN=aitcom.cz

Certificate chain
  • aitcom.cz
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Expired

Subject
Common Name (CN)
  • aitcom.cz
Alternative Names
  • *.aitcom.cz
  • aitcom.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-06-04
Not valid after
2019-09-02
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
01:01:15:E9:5C:0B:26:BB:58:A1:B4:01:00:7A:7C:E4:64:D1:0F:FD:E8:CB:B9:D1:A8:E2:89:85:F6:CF:0B:72
SHA1
80:C2:30:36:10:8E:28:16:A6:5E:9A:DE:93:D8:1B:60:5F:71:E3:C2
X509v3 extensions
subjectKeyIdentifier
  • F1:05:E5:3F:EF:30:17:60:97:BE:8A:B5:57:06:C9:1C:0E:19:F7:0A
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 : E2:69:4B:AE:26:E8:E9:40:09:E8:86:1B:B6:3B:83:D4:
  • 3E:E7:FE:74:88:FB:A4:8F:28:93:01:9D:DD:F1:DB:FE
  • Timestamp : Jun 4 01:16:58.225 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:55:85:B3:27:E2:8A:52:2B:E1:F1:90:C3:
  • 97:F6:8E:0F:91:D4:CB:A2:D7:18:5A:59:18:7F:59:48:
  • 99:40:C5:7B:02:20:3F:9B:23:34:2D:0E:ED:39:DB:34:
  • 39:B7:C6:0E:E0:B1:5D:98:EE:46:73:D0:D1:F5:0B:04:
  • 54:63:D8:87:74:C3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 63:F2:DB:CD:E8:3B:CC:2C:CF:0B:72:84:27:57:6B:33:
  • A4:8D:61:77:8F:BD:75:A6:38:B1:C7:68:54:4B:D8:8D
  • Timestamp : Jun 4 01:16:58.212 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F0:41:19:EA:95:9A:41:59:6A:1E:4C:
  • A0:48:7F:A7:6B:B9:A5:D8:D0:AC:F3:31:08:86:40:00:
  • 46:69:74:32:DA:02:20:4B:3D:C0:DC:19:B0:29:B8:73:
  • 67:3B:53:6A:69:B6:87:32:68:A3:54:5A:50:8E:F4:AC:
  • F1:94:98:A2:45:09:33
First seen at:

CN=mail.nux.cz

Certificate chain
  • mail.nux.cz
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch

Subject
Common Name (CN)
  • mail.nux.cz
Alternative Names
  • mail.nux.cz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-11-06
Not valid after
2020-02-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
12:34:85:2A:C9:28:6B:64:F5:23:B8:1E:20:5D:1E:38:08:17:ED:2C:55:07:DA:7D:12:57:38:04:EB:0E:D8:55
SHA1
9C:F5:BD:18:25:D4:07:CB:CB:AE:91:5E:0E:09:05:B5:B2:0F:0C:7A
X509v3 extensions
subjectKeyIdentifier
  • 6A:A1:F1:32:75:81:BC:D0:E2:2F:2C:76:D3:77:3E:95:C0:0C:5A:30
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 : 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 : Nov 6 07:43:14.663 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:B5:1E:0D:F5:E2:00:7C:02:86:BD:70:
  • FE:F4:01:7A:9D:F7:54:1D:10:1A:5A:81:E8:45:52:7C:
  • BB:DE:E8:30:AF:02:20:69:1F:29:BF:6B:BC:0D:9F:29:
  • 00:3F:EB:C4:C9:B5:A5:2B:70:BB:E2:21:30:58:DB:85:
  • 8C:D7:A8:7A:E4:DD:2D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Nov 6 07:43:14.661 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:8A:14:E2:CB:19:E7:D0:E4:31:C2:CE:
  • 35:23:DE:46:0B:12:A9:C3:4A:6C:EF:21:4F:C1:BB:0E:
  • 1D:4D:B7:58:F1:02:21:00:93:F4:01:51:19:BB:42:93:
  • C8:36:74:0B:FE:2B:56:9C:69:AC:AC:63:F6:9C:C4:C4:
  • D1:C5:33:7F:F9:51:52:22