SSL-Tools

SSL check results of keipp.biz

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Discover if the mail servers for keipp.biz 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 Sat, 06 Jun 2020 02:39:16 +0000

The mailservers of keipp.biz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @keipp.biz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
keipp.biz
85.214.160.76
 10
supported
keipp.biz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=keipp.biz

Certificate chain
Subject
Common Name (CN)
  • keipp.biz
Alternative Names
  • keipp.biz
  • webmail.keipp.biz
  • www.keipp.biz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-26
Not valid after
2020-08-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
DB:ED:3D:A4:F6:E5:21:19:B3:79:77:FE:50:9A:9D:E7:4A:33:5B:4C:F5:07:C7:4B:B4:4C:C0:77:7F:53:F7:52
SHA1
FB:2F:09:39:7F:A8:E6:9D:2B:BD:43:AF:8F:2B:EF:CB:E3:43:45:8C
X509v3 extensions
subjectKeyIdentifier
  • B1:04:80:31:21:4B:44:E3:B6:CF:86:7E:96:0D:6E:FA:9E:EC:AC:3A
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : May 26 16:58:19.860 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:5E:7A:5E:94:37:9E:B6:E6:F5:C3:4B:1A:
  • C1:19:66:42:54:2B:69:41:AC:D3:9B:46:88:79:93:B9:
  • 4C:E5:35:21:02:20:1F:0B:AD:94:A8:E6:B2:57:59:E4:
  • 5B:8D:B7:53:95:AD:3A:3D:F7:BC:1F:01:86:83:4C:0A:
  • AB:37:A6:0E:C5:83
  • 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 : May 26 16:58:19.845 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:12:0D:97:FD:F8:4B:42:CB:99:8D:8F:17:
  • 2B:6C:CE:AD:9C:E6:2E:3B:95:11:51:13:94:22:AC:F9:
  • EC:53:3C:12:02:21:00:A4:47:B1:1F:4C:53:F4:FF:93:
  • 1A:C2:81:82:76:93:CB:B8:FE:F8:6D:89:1E:BE:6E:84:
  • 28:A4:0D:55:61:E8:59