SSL-Tools

SSL check results of abt6.de

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Discover if the mail servers for abt6.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 Tue, 18 Jun 2024 12:14:02 +0000

The mailservers of abt6.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @abt6.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx01.plskthx.de
2a07:54c7:2002:2110::1
 10
supported
mx01.plskthx.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mx01.plskthx.de
144.76.188.91
 10
supported
mx01.plskthx.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @abt6.de address so far. Test mail delivery

Certificates

First seen at:

CN=mx01.plskthx.de

Certificate chain
  • mx01.plskthx.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R10
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mx01.plskthx.de
Alternative Names
  • mx01.plskthx.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2024-06-11
Not valid after
2024-09-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D9:39:4A:0A:E1:9E:D1:19:64:41:21:CD:E2:14:4C:55:2A:8F:8E:D1:41:5F:C9:C1:CF:FA:04:EB:49:46:86:B4
SHA1
63:AD:CF:6A:71:D3:B0:4D:70:19:CE:98:10:46:3C:1F:CE:35:72:81
X509v3 extensions
subjectKeyIdentifier
  • F7:51:CE:FA:9F:B2:B9:F0:53:3A:8A:74:B7:5E:40:1E:E8:59:99:B9
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • OCSP - URI:http://r10.o.lencr.org
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Jun 11 23:40:25.282 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F4:74:F2:A0:77:92:47:4F:3D:B3:BF:
  • 6B:F1:6A:16:55:49:8D:8A:FA:44:5C:DD:2F:7F:BA:BC:
  • B1:C5:07:F4:EC:02:21:00:F7:E8:DA:78:E1:A8:59:9A:
  • 96:55:57:8B:C7:88:18:6C:28:FD:79:D3:3C:BF:41:C1:
  • D8:42:63:1F:B0:D7:78:D9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Jun 11 23:40:25.342 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:BB:3F:7F:04:5E:DB:90:90:64:D8:9D:
  • F5:B7:D1:1C:6D:3F:D2:F4:DD:BE:78:6C:41:BE:B6:9A:
  • CE:CF:1B:5B:F9:02:21:00:9A:2D:AB:0F:E8:04:C0:A5:
  • D2:C9:4C:D7:69:FA:19:AA:9A:E9:27:EE:AD:CC:27:91:
  • B7:BD:29:F7:95:55:A9:93

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.mx01.plskthx.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid
_25._tcp.mx01.plskthx.de
  • DANE-TA: Trust Anchor Assertion
  • Use subject public key
  • SHA-256 Hash
valid
—
_25._tcp.mx01.plskthx.de
  • DANE-TA: Trust Anchor Assertion
  • Use subject public key
  • SHA-256 Hash
valid
—
_25._tcp.mx01.plskthx.de
  • DANE-TA: Trust Anchor Assertion
  • Use subject public key
  • SHA-256 Hash
valid
valid