SSL-Tools

SSL check results of mail.puppyhub.ch

NEW You can also bulk check multiple servers.

Discover if the mail servers for mail.puppyhub.ch 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 Thu, 18 Sep 2025 00:31:09 +0000

The mailservers of mail.puppyhub.ch can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.puppyhub.ch addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.puppyhub.ch
45.141.37.217
 -
supported
mail.puppyhub.ch
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.puppyhub.ch

Certificate chain
  • mail.puppyhub.ch
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E7
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.puppyhub.ch
Alternative Names
  • mail.puppyhub.ch
  • mail.puppymountainweekend.ch
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E7
validity period
Not valid before
2025-09-08
Not valid after
2025-12-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A9:57:59:D2:05:62:8C:AB:C9:24:82:D0:25:BD:30:09:EA:E6:6F:E5:D8:76:CA:CD:57:98:4E:A7:B4:98:69:9A
SHA1
2C:36:A3:0D:7D:BE:D9:E7:C4:AF:65:21:E6:E4:8D:A5:78:0E:65:A4
X509v3 extensions
subjectKeyIdentifier
  • 49:9A:B4:8B:F8:B0:5A:FC:0C:08:C4:94:27:DD:A2:28:A8:B0:49:14
authorityKeyIdentifier
  • keyid:AE:48:9E:DC:87:1D:44:A0:6F:DA:A2:E5:60:74:04:78:C2:9C:00:80
authorityInfoAccess
  • CA Issuers - URI:http://e7.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e7.c.lencr.org/115.crl
ct_precert_scts
  • 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 : Sep 8 09:49:54.894 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:2B:76:3F:92:BB:91:1A:F7:FB:22:49:75:
  • C6:A4:51:CF:A2:56:0C:6A:9A:0B:C8:D2:A7:D1:A8:31:
  • F2:20:A5:F9:02:21:00:96:5D:DF:59:D3:80:9C:ED:09:
  • D2:2A:99:AB:03:E7:B3:CA:A9:30:A0:F0:C2:9E:29:44:
  • E2:45:FD:3A:F9:14:96
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Sep 8 09:49:56.906 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:24:EC:FB:84:DD:27:5D:55:59:FD:8B:E8:
  • F2:38:72:F4:9A:65:D2:35:25:3B:40:2D:F6:59:01:6F:
  • E2:DE:F9:48:02:21:00:B4:84:61:DF:59:5A:12:88:9A:
  • 4D:45:25:A7:E9:73:3C:7D:EC:60:E5:53:1E:01:9E:59:
  • 95:DC:26:EA:DC:E2:9A

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