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SSL check results of jan.creativesandbox.de

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Discover if the mail servers for jan.creativesandbox.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

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Report created Sun, 31 May 2020 20:00:50 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.creativesandbox.de
2a01:4f8:172:1665:8d13:f654:6c5c:e376
 100
supported
mail.creativesandbox.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mail.creativesandbox.de
138.201.61.92
 100
supported
mail.creativesandbox.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.creativesandbox.de

Certificate chain
Subject
Common Name (CN)
  • mail.creativesandbox.de
Alternative Names
  • mail.creativesandbox.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-04-18
Not valid after
2020-07-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AA:77:F9:C1:53:9E:08:CC:1E:C1:9C:AB:88:FE:8F:02:9E:BC:6A:64:E8:B0:9E:5A:34:59:FB:5C:96:97:47:E4
SHA1
A1:07:A6:19:40:AA:38:2C:7C:54:4E:29:24:B0:D7:4D:40:39:A7:6D
X509v3 extensions
subjectKeyIdentifier
  • C0:2D:7A:52:50:DF:46:8F:2B:98:A5:A0:7D:62:05:00:1F:02:30:1D
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 : 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 : Apr 18 22:38:04.265 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:24:C1:BD:F9:D0:BB:E3:20:A8:5D:64:6A:
  • 71:EF:70:2E:8F:4F:4A:68:19:51:6A:AE:5A:DA:69:1B:
  • A0:FB:85:E9:02:20:22:CF:E3:00:7A:74:80:A3:2B:FC:
  • C2:C4:17:B8:CF:60:9F:82:E7:7C:DA:F8:00:03:38:63:
  • B3:02:17:46:DE:1A
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Apr 18 22:38:04.263 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:4D:9B:5E:07:28:91:96:C5:72:29:58:A1:
  • C4:38:28:90:0A:5A:DC:DA:2F:50:11:4A:1D:F1:5C:04:
  • 9B:6B:E9:17:02:21:00:AF:91:66:0D:8D:CE:EF:AF:7B:
  • B7:44:A1:D6:44:C8:57:A9:E8:C3:BA:46:DC:08:61:F7:
  • 39:E6:AF:88:7E:3E:92

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.creativesandbox.de
  • DANE-TA: Trust Anchor Assertion
  • Use subject public key
  • SHA-256 Hash
valid
valid