SSL-Tools

SSL check results of winklerlimited.com

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Discover if the mail servers for winklerlimited.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

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Report created Fri, 09 Apr 2021 06:15:17 +0000

The mailservers of winklerlimited.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @winklerlimited.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
ser01.winklerlimited.com
150.129.83.84
 10
supported
ser01.winklerlimited.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s

Outgoing Mails

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

Certificates

First seen at:

CN=ser01.winklerlimited.com

Certificate chain
  • ser01.winklerlimited.com
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • DST Root CA X3 (Certificate is self-signed.)
            • remaining
            • 2048 bit
            • sha1WithRSAEncryption
Subject
Common Name (CN)
  • ser01.winklerlimited.com
Alternative Names
  • ser01.winklerlimited.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-02-15
Not valid after
2021-05-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
16:27:D6:3A:5C:72:8B:EE:3C:91:5D:7E:95:AA:BB:06:02:B0:8C:6A:58:01:1A:57:73:52:9F:C5:64:8B:A2:35
SHA1
35:A7:70:00:A9:28:6E:25:5A:5C:27:21:39:74:AE:2F:DC:C4:2F:AF
X509v3 extensions
subjectKeyIdentifier
  • 57:3E:E2:CC:ED:E4:96:03:58:EE:FD:CD:4C:1E:52:8E:82:9C:A7:CF
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.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 : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Feb 15 08:42:18.492 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D5:E2:BF:AC:1C:F7:58:32:64:3D:D2:
  • 47:EB:06:7B:1A:BD:50:27:98:A1:F9:DD:C2:A3:9E:0A:
  • 2A:C3:92:81:DC:02:21:00:B9:22:91:7E:C7:AA:B6:8A:
  • CB:84:07:2B:10:EE:3C:5A:34:3B:87:35:64:3A:00:56:
  • 18:0D:D8:83:A6:7D:0C:A0
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Feb 15 08:42:18.479 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:38:10:B0:A0:23:18:F1:4F:06:5D:95:5C:
  • 4B:06:2F:16:FB:CE:C5:DF:AA:D7:E9:3D:2E:42:CC:23:
  • 67:F8:AA:25:02:20:4C:1F:30:67:69:50:40:EA:82:2C:
  • B5:7C:B8:C2:48:DE:23:7F:1D:D8:E0:36:5E:F8:56:3D:
  • ED:D3:70:A9:98:31