SSL-Tools

SSL check results of schoppe-sbk.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for schoppe-sbk.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, 19 May 2025 00:31:25 +0000

The mailservers of schoppe-sbk.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @schoppe-sbk.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.schoppe-sbk.de
2a01:4f8:1c1e:565b::1
 10
supported
mail.schoppe-sbk.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
8 s
mail.schoppe-sbk.de
168.119.231.247
 10
supported
mail.schoppe-sbk.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
6 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.schoppe-sbk.de

Certificate chain
  • mail.schoppe-sbk.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.schoppe-sbk.de
Alternative Names
  • autoconfig.sbk-news.de
  • autoconfig.schoppe-sbk.de
  • autodiscover.schoppe-sbk.de
  • mail.schoppe-sbk.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-05-16
Not valid after
2025-08-14
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F7:5B:13:65:05:B6:66:96:A3:18:95:A7:B8:8C:23:D0:96:92:36:AD:10:C1:C9:96:79:5D:E7:41:3F:AF:D1:86
SHA1
A7:09:C6:AA:B8:E2:22:11:CF:1F:FE:7D:AB:09:CF:04:BF:59:2D:7F
X509v3 extensions
subjectKeyIdentifier
  • A4:FB:6A:48:51:E4:39:57:76:D3:C3:97:E6:6A:71:C7:7E:D8:16:DE
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/107.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
  • 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
  • Timestamp : May 16 15:37:46.173 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D6:B4:F0:F7:6F:F3:94:43:9A:1F:E8:
  • AD:27:0D:13:0A:40:35:13:1A:BC:45:EE:65:98:A5:2D:
  • B5:19:1A:6F:8B:02:21:00:B9:B8:10:D1:48:72:56:44:
  • 3F:03:39:BC:47:07:69:31:4F:84:78:D8:83:81:85:B8:
  • A9:D6:63:79:31:E7:A8:1D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : May 16 15:37:46.187 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:46:50:CB:66:9A:24:17:1B:91:8D:25:1C:
  • BE:03:80:D3:D8:5E:AE:EC:86:3D:3F:7C:F4:81:CC:4B:
  • 3D:6D:4C:44:02:20:29:B6:4C:75:BB:42:B4:BF:99:4D:
  • A4:93:11:1D:4D:A0:B3:1B:C2:4F:EB:0F:00:FD:8A:D1:
  • 8D:C8:D7:77:10:3A

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.mail.schoppe-sbk.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
error
Debug
valid