SSL-Tools

SSL check results of cssf.lu

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Discover if the mail servers for cssf.lu 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, 14 Apr 2023 14:12:56 +0000

We can not guarantee a secure connection to the mailservers of cssf.lu!

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

/mailservers/cssf.lu

Servers

Incoming Mails

These servers are responsible for incoming mails to @cssf.lu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.cssf.lu
212.66.76.41
 10
supported
mail.cssf.lu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
12 s
mail.cssf.lu
146.0.177.233
Results incomplete
10
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 @cssf.lu address so far. Test mail delivery

Certificates

First seen at:

CN=mail.cssf.lu

Certificate chain
Subject
Common Name (CN)
  • mail.cssf.lu
Alternative Names
  • mail.cssf.lu
  • www.mail.cssf.lu
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert, Inc.
Common Name (CN)
  • RapidSSL Global TLS RSA4096 SHA256 2022 CA1
validity period
Not valid before
2022-08-12
Not valid after
2023-09-12
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
52:4A:C2:2C:DB:D6:BF:D7:A5:08:D3:4A:1B:63:6C:E3:FB:2A:95:5A:29:E1:05:3D:DB:1C:F2:75:69:2A:F3:B9
SHA1
86:FD:B7:F1:7E:A9:07:17:F3:D2:5B:A7:4C:B4:C3:86:3F:77:33:4D
X509v3 extensions
authorityKeyIdentifier
  • keyid:F0:9C:85:FD:A2:9F:7D:8F:C9:68:BB:D5:D4:89:4D:1D:BE:D3:90:FF
subjectKeyIdentifier
  • 38:97:22:CE:30:E6:F3:AC:74:DD:CF:A0:58:AC:63:CF:C3:43:32:89
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/RapidSSLGlobalTLSRSA4096SHA2562022CA1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/RapidSSLGlobalTLSRSA4096SHA2562022CA1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/RapidSSLGlobalTLSRSA4096SHA2562022CA1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9:
  • 03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E
  • Timestamp : Aug 12 13:06:07.494 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CE:0F:D9:C7:BB:03:FF:B1:AE:DB:7B:
  • E3:7D:CA:D3:8F:82:E4:3D:DD:5E:7F:C3:11:7C:23:12:
  • 63:5C:A3:E2:C4:02:21:00:98:88:32:06:D5:07:D4:A2:
  • 0D:40:55:A7:8E:CF:75:AB:66:D5:53:F1:11:9A:D1:E7:
  • 15:F7:23:0F:D5:BE:87:9B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 35:CF:19:1B:BF:B1:6C:57:BF:0F:AD:4C:6D:42:CB:BB:
  • B6:27:20:26:51:EA:3F:E1:2A:EF:A8:03:C3:3B:D6:4C
  • Timestamp : Aug 12 13:06:07.548 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:DF:D4:8D:19:CF:32:C6:F8:0F:C7:89:
  • 89:12:EC:F4:0B:AE:0D:9C:D7:45:4E:82:4D:8A:78:DA:
  • 23:61:B9:F9:07:02:20:2C:6A:7F:2B:2C:09:44:12:8B:
  • C0:33:40:38:01:E1:02:D2:82:68:14:51:83:43:9C:FB:
  • 99:44:D3:CE:83:95:B1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B7:3E:FB:24:DF:9C:4D:BA:75:F2:39:C5:BA:58:F4:6C:
  • 5D:FC:42:CF:7A:9F:35:C4:9E:1D:09:81:25:ED:B4:99
  • Timestamp : Aug 12 13:06:07.541 2022 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:89:35:29:8B:72:24:D8:17:C5:10:8C:
  • DD:BE:81:92:4B:1C:08:35:9C:04:3F:1F:00:5D:F6:62:
  • BD:55:51:DA:78:02:21:00:81:35:1A:9F:5C:F6:D7:13:
  • 30:5D:78:71:CD:20:FB:58:BE:29:1E:EC:9C:37:EC:64:
  • 61:78:99:DC:B6:BF:AD:CD