SSL-Tools

SSL check results of biebel.io

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Discover if the mail servers for biebel.io 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

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Report created Thu, 28 May 2020 02:35:59 +0000

The mailservers of biebel.io can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @biebel.io addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.biebel.io
2a02:8071:681:9000:211:32ff:fe83:f8a0
 10
supported
mail.biebel.io
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
20 s
mail.biebel.io
109.193.17.236
 10
supported
mail.biebel.io
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
20 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.biebel.io

Certificate chain
Subject
Common Name (CN)
  • mail.biebel.io
Alternative Names
  • mail.biebel.io
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-25
Not valid after
2020-06-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
03:7C:F5:CE:CB:6A:F2:89:18:2A:72:5D:DD:4E:A2:1C:49:0A:1C:B3:98:AE:AB:F8:CC:9E:BE:E7:87:AE:21:C4
SHA1
88:C4:AA:55:C0:4E:3B:48:89:60:9B:93:36:F0:B3:E4:31:16:DB:18
X509v3 extensions
subjectKeyIdentifier
  • 69:91:4B:73:6D:B6:69:5C:34:F9:AC:CB:0F:FD:22:FB:39:A6:15:82
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 : 5E:A7:73:F9:DF:56:C0:E7:B5:36:48:7D:D0:49:E0:32:
  • 7A:91:9A:0C:84:A1:12:12:84:18:75:96:81:71:45:58
  • Timestamp : Mar 25 13:23:16.661 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:13:7B:2B:1C:34:DC:EA:3E:3C:49:6F:AF:
  • 35:C8:25:64:61:9C:7B:DF:5B:D2:F7:A7:30:17:8F:7B:
  • 7D:D6:AF:18:02:21:00:DD:C8:B0:5B:E1:10:58:8A:28:
  • F6:E0:EF:6E:EE:0C:2E:5E:CF:2E:D7:98:C9:6A:BE:38:
  • 81:51:E4:78:D0:6B:53
  • 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 : Mar 25 13:23:16.645 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:27:45:98:8F:F1:5D:C4:1F:04:88:7A:F2:
  • C1:EC:26:2E:AA:A1:7B:57:5B:27:7E:7E:E5:E4:CF:1D:
  • A7:B7:F9:9D:02:20:2D:1D:0C:7E:DF:FC:A6:0B:55:DB:
  • 8E:B7:17:23:EE:D4:A0:53:13:55:EE:60:69:03:61:B6:
  • D1:48:3A:F1:B3:88