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

Report created Mon, 24 Feb 2020 01:30:40 +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
85.214.138.157
10
supported
keipp.biz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
12 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
2020-01-27
Not valid after
2020-04-26
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C0:DF:3F:29:4D:78:EF:81:B2:1B:1C:61:A6:E3:3A:06:5F:9A:66:C1:33:D3:6F:D5:47:AB:D2:3E:A0:0F:18:63
SHA1
26:C7:BC:EF:C6:E6:6D:AB:9F:85:43:CB:80:D7:83:C7:37:E1:D8:EE
X509v3 extensions
subjectKeyIdentifier
  • 09:B7:25:F8:2B:E0:77:DD:10:04:60:D2:0B:F3:05:F9:4C:2B:E4:BB
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 : 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 : Jan 27 16:34:37.583 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:88:5D:AB:8B:C0:34:E5:A8:3C:91:45:
  • 8F:87:25:6A:F8:18:8B:E2:AB:72:9D:83:EB:08:8D:B4:
  • 5A:02:7D:67:FD:02:21:00:C2:56:86:73:9A:CA:6E:35:
  • B3:A6:5E:7E:62:AA:5A:52:AF:81:0A:33:73:04:87:B2:
  • D8:0D:4E:FB:E9:9C:6A:EB
  • 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 : Jan 27 16:34:37.740 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:1E:E5:87:05:A5:37:17:F5:DF:AF:77:EE:
  • 8A:A1:0E:8F:12:BB:2C:DF:A5:E6:20:65:6F:1B:22:F5:
  • C8:F8:FB:8E:02:20:6F:45:36:4C:5F:85:A2:10:52:B1:
  • 39:FF:9C:1C:07:89:48:3C:0B:2C:B6:46:DE:13:8E:B4:
  • 02:31:48:15:B2:D5