SSL-Tools

SSL check results of paulfr.de

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Discover if the mail servers for paulfr.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 Sun, 18 Oct 2020 15:05:30 +0000

We can not guarantee a secure connection to the mailservers of paulfr.de!

Please contact the operator of paulfr.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/paulfr.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.paulfr.de
2a03:4000:6:f25d::2
Results incomplete
10 not checked
DANE
errors
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail.paulfr.de
188.68.57.227
 10
supported
paulfr.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=paulfr.de

Certificate chain
  • paulfr.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Expired
Subject
Common Name (CN)
  • paulfr.de
Alternative Names
  • *.paulfr.de
  • paulfr.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-06-18
Not valid after
2020-09-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
83:1F:48:3C:0B:C2:18:4B:95:4E:80:0B:EE:CA:F3:63:1B:7C:0F:37:82:08:CC:22:C9:D2:45:A9:78:50:10:6B
SHA1
E8:3F:51:6A:10:24:E7:30:A6:2C:4A:A9:F5:E1:02:9F:09:A7:C0:61
X509v3 extensions
subjectKeyIdentifier
  • A6:63:77:53:1A:BD:D2:45:5E:37:63:CB:8B:26:C2:2B:C3:82:0B:C8
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 : Jun 18 15:51:24.399 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:B0:42:F3:86:B4:30:8C:5E:21:D6:1A:
  • 53:7A:2D:B8:24:A2:71:BE:C1:5E:C2:37:CC:BD:83:02:
  • 9A:2F:E2:EC:7F:02:20:1E:D2:FC:F3:05:DF:28:D6:A7:
  • 89:1E:78:77:E5:D3:4A:47:ED:5F:1D:A5:A8:22:45:AD:
  • 99:1C:EB:47:6A:85:1C
  • 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 : Jun 18 15:51:24.393 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1A:84:6C:73:3E:97:AB:82:88:C4:4D:3A:
  • 2E:BF:F8:0C:D3:68:A7:06:37:10:5F:17:88:B6:C5:86:
  • B9:1E:C8:79:02:21:00:9C:FA:05:88:D4:BD:69:84:FE:
  • E3:F2:AE:12:38:C0:B1:C1:DA:3E:72:98:53:0D:94:9C:
  • 0E:70:F1:21:A3:7A:B4

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.paulfr.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid