SSL-Tools

SSL check results of yyis.de

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Discover if the mail servers for yyis.de 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, 16 Sep 2020 12:36:02 +0000

The mailservers of yyis.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @yyis.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
srv1.yyis.de
85.214.34.205
 10
supported
srv1.yyis.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=srv1.yyis.de

Certificate chain
Subject
Common Name (CN)
  • srv1.yyis.de
Alternative Names
  • srv1.yyis.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-08-21
Not valid after
2020-11-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
49:D7:49:F6:CE:07:7B:0C:7E:8D:F5:D7:83:8C:5D:56:A9:9B:F9:0D:DC:03:C7:53:37:C8:8E:F4:7E:6E:A1:FB
SHA1
2B:05:CB:2D:6F:D9:5F:43:78:B0:AC:60:E1:A0:B6:CD:81:80:47:B9
X509v3 extensions
subjectKeyIdentifier
  • 46:39:87:EB:0B:E2:AF:DD:01:EB:68:17:53:28:4B:97:29:FA:EE:B6
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 : Aug 21 19:58:01.691 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:C2:BD:12:0C:5D:5E:67:F7:D7:AA:15:
  • ED:6E:AF:70:E3:57:42:A9:95:19:D8:6D:C1:93:A8:30:
  • BD:39:76:D1:B9:02:20:0E:E7:CA:5C:DB:AE:07:0E:3F:
  • 57:71:7B:79:3B:A9:BE:39:F8:CE:69:A6:D3:B2:CE:5B:
  • CC:01:10:45:F0:02:7C
  • 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 : Aug 21 19:58:01.708 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:21:00:F5:B1:3C:AD:BA:3F:0F:58:88:3C:FF:
  • D8:8D:77:55:21:7F:25:B7:7A:9D:AB:DD:96:AE:1D:B7:
  • 64:22:F4:AA:D1:02:1F:19:15:CC:A7:C2:D4:66:27:2E:
  • F7:74:40:22:98:D9:9F:1E:E2:D6:BC:CD:93:95:B3:FB:
  • 78:18:0F:BB:8F:4C