SSL-Tools

SSL check results of gws-gmbh.de

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Discover if the mail servers for gws-gmbh.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 Mon, 13 Apr 2026 00:30:31 +0000

The mailservers of gws-gmbh.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @gws-gmbh.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.gws-gmbh.de
80.153.44.115
Results incomplete
10
supported
not checked
DANE
missing
PFS
not checked
Heartbleed
not vulnerable
Weak ciphers
not checked
1 s
mail4.bitsch.de
95.216.157.66
 100
supported
*.bitsch.de
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 @gws-gmbh.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.bitsch.de

Certificate chain
Subject
Common Name (CN)
  • *.bitsch.de
Alternative Names
  • *.bitsch.de
  • bitsch.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • RapidSSL TLS RSA CA G1
validity period
Not valid before
2026-04-08
Not valid after
2026-10-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
34:86:03:34:9C:19:5E:A5:F2:D9:3B:62:BE:07:13:7E:65:89:8B:16:64:8C:53:24:7A:2A:1F:D3:FB:71:36:FC
SHA1
2A:AD:59:07:27:3D:33:AA:E5:B4:3B:E6:CE:7E:47:AE:C4:EA:7E:0C
X509v3 extensions
authorityKeyIdentifier
  • keyid:0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
  • 29:2B:EF:E3:80:CB:1D:54:31:64:D8:5E:95:4E:2B:D6:9E:82:E4:56
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
  • OCSP - URI:http://status.rapidssl.com
  • CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
  • C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
  • Timestamp : Apr 8 18:46:23.036 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:1D:9F:B8:93:CA:41:5D:4C:D4:63:CE:8E:
  • 3D:4A:EF:C8:61:A1:59:C1:8B:74:C5:05:5D:C8:21:72:
  • 8E:AD:E0:1A:02:20:79:9B:60:9F:06:0C:E3:E8:5D:A7:
  • 7D:5A:DE:8B:40:C5:A5:80:8C:0A:7B:C6:F2:E7:4B:CC:
  • 57:C9:20:C6:84:7C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
  • 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
  • Timestamp : Apr 8 18:46:22.977 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0A:55:D0:99:DC:4B:E8:65:77:DD:43:6E:
  • ED:79:41:F3:B1:C7:65:A3:29:55:DD:C0:6A:6D:FD:55:
  • B8:F1:92:C7:02:21:00:95:A4:62:9C:6E:BA:3F:50:30:
  • FD:B9:64:D0:AF:00:01:9F:60:6E:F7:E5:20:04:A1:7E:
  • 38:81:49:FC:B2:43:98
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:
  • 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8
  • Timestamp : Apr 8 18:46:23.024 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1D:68:FE:B4:4A:C2:51:25:A9:56:6F:55:
  • F0:55:AF:36:B9:AE:5D:44:0B:FA:49:4A:6A:47:40:FC:
  • E2:89:C9:42:02:21:00:95:39:DF:E3:7C:17:66:6C:4A:
  • 16:83:2A:42:39:90:A9:4F:81:5B:C4:2C:C6:79:D8:0A:
  • 23:11:09:5B:8A:64:FD