SSL-Tools

SSL check results of mail.kc-bl.com

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Discover if the mail servers for mail.kc-bl.com 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 Wed, 24 Apr 2024 11:16:57 +0000

We can not guarantee a secure connection to the mailservers of mail.kc-bl.com!

Please contact the operator of mail.kc-bl.com and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/mail.kc-bl.com

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.kc-bl.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.kc-bl.com
81.93.73.69
 -
supported
*.kc-bl.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.0
  • SSLv3
4 s
mail.kc-bl.com
81.93.73.64
Results incomplete
- not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

We have not received any emails from a @mail.kc-bl.com address so far. Test mail delivery

Certificates

First seen at:

CN=*.kc-bl.com

Certificate chain
  • *.kc-bl.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      RapidSSL TLS RSA CA G1
Subject
Common Name (CN)
  • *.kc-bl.com
Alternative Names
  • *.kc-bl.com
  • kc-bl.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • RapidSSL TLS RSA CA G1
validity period
Not valid before
2023-12-01
Not valid after
2024-11-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D2:0A:F4:3D:E3:44:01:B2:1D:4D:CB:12:93:65:85:E6:69:66:24:61:EB:90:8B:54:4A:A5:23:0B:D0:13:B7:D4
SHA1
17:E0:03:1F:AB:B3:80:CF:E8:85:F5:F1:1F:2F:A5:09:22:DB:92:10
X509v3 extensions
authorityKeyIdentifier
  • keyid:0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
  • 6D:BF:78:F2:2C:7F:4E:36:1D:0D:C7:D3:B9:61:00:39:F5:4A:86:DD
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
  • OCSP - URI:http://status.rapidssl.com
  • CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Dec 1 10:37:30.680 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:15:6B:77:01:65:49:5E:41:07:C0:EF:91:
  • 24:5E:EA:33:7E:41:E1:E2:AA:E9:08:3D:77:F3:87:1D:
  • AC:C6:7F:F6:02:20:14:1E:D9:A0:34:73:6B:58:05:83:
  • DA:80:78:C8:A4:06:89:77:B6:76:DF:99:EC:76:3D:8E:
  • 7A:43:67:FB:E1:93
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Dec 1 10:37:30.729 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E2:4C:1C:CE:EF:AB:54:5D:0C:87:DF:
  • BC:B1:80:AB:EE:E4:93:0D:B6:09:78:B7:27:05:81:E8:
  • 51:A5:4F:73:60:02:20:4A:8C:D7:5B:28:02:80:BD:B0:
  • 7E:1A:AD:BE:A8:04:D6:3F:0E:09:40:C0:23:7D:AB:5F:
  • D5:99:1B:A9:EF:D9:46
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
  • 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
  • Timestamp : Dec 1 10:37:30.696 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7D:19:D6:79:B6:15:29:B7:A8:A4:5F:08:
  • 59:BA:6E:79:53:F1:ED:E7:C1:83:E2:2A:4D:EC:6E:A6:
  • 21:9D:57:BA:02:21:00:9E:1D:15:DB:AB:B9:6F:75:B1:
  • D1:4C:AB:3F:32:B7:4F:AC:C8:1B:C3:F4:1A:8A:B7:8F:
  • 0C:0B:0B:51:3F:A8:29