SSL-Tools

SSL check results of mail.3druckwerk.com

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Discover if the mail servers for mail.3druckwerk.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 Sun, 29 Jun 2025 00:30:20 +0000

The mailservers of mail.3druckwerk.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.3druckwerk.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.3druckwerk.com
152.53.117.219
 -
supported
mail.3druckwerk.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @mail.3druckwerk.com address so far. Test mail delivery

Certificates

First seen at:

CN=mail.3druckwerk.com

Certificate chain
  • mail.3druckwerk.com
    • 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.3druckwerk.com
Alternative Names
  • autoconfig.3druckwerk.com
  • mail.3druckwerk.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-06-27
Not valid after
2025-09-25
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
13:86:79:B8:D1:C2:54:3E:E3:0B:79:A1:4E:00:EE:BF:73:F6:E2:80:6A:17:2C:73:29:D2:4E:3B:07:40:00:8C
SHA1
B6:CF:89:F2:FD:7F:CC:85:EA:C7:EB:CE:6C:CC:33:A8:0A:DD:85:03
X509v3 extensions
subjectKeyIdentifier
  • 35:DA:E4:EE:E5:2A:61:C9:A5:3F:05:69:A1:96:1E:83:E0:D7:CF:BC
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/92.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Jun 27 14:18:58.285 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:EB:CE:4C:18:5A:30:08:AC:7A:89:2D:
  • 1C:38:4C:C5:2C:53:BF:99:7A:38:B5:D5:C8:4F:89:84:
  • 13:04:6E:C4:6C:02:20:4A:32:A2:27:3C:35:FE:CB:B1:
  • FF:35:91:9D:62:AD:1C:19:6C:B0:59:39:5B:35:A8:FC:
  • DB:B5:42:E8:70:4B:D8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Jun 27 14:18:58.360 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8D:3B:0F:A0:B8:CD:DB:A8:06:C6:E7:
  • 64:51:7B:CB:AC:66:A3:29:13:EE:98:A6:AD:DE:D4:B1:
  • 4A:1F:74:24:1A:02:20:43:3C:35:9D:24:BC:B5:44:74:
  • AC:32:18:5B:8F:CF:77:C4:61:86:F6:15:20:7B:9D:4C:
  • CF:08:C4:37:E2:2B:8A