SSL-Tools

SSL check results of smtp.zoho.com.au

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Discover if the mail servers for smtp.zoho.com.au 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, 30 May 2024 00:51:47 +0000

The mailservers of smtp.zoho.com.au can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.zoho.com.au addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.zoho.com.au
103.138.128.141
 -
supported
*.zoho.com.au
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
16 s

Outgoing Mails

We have not received any emails from a @smtp.zoho.com.au address so far. Test mail delivery

Certificates

First seen at:

CN=*.zoho.com.au

Certificate chain
Subject
Common Name (CN)
  • *.zoho.com.au
Alternative Names
  • *.zoho.com.au
  • zoho.com.au
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2023-04-30
Not valid after
2024-05-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
60:02:89:1A:76:94:2A:A4:00:7F:8F:D2:B5:F4:7D:A4:04:BA:2A:EF:1E:5B:B6:29:EB:C4:33:69:2E:FE:C5:41
SHA1
D8:98:F3:9B:89:C8:37:98:5E:B4:37:55:05:4D:18:91:FF:01:73:65
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • 3F:20:55:80:BC:DE:EA:81:03:FD:7D:69:06:4C:F6:42:C1:32:AF:9F
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
  • 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 : Apr 30 04:46:11.407 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:85:6F:03:9F:51:33:19:09:47:15:D2:
  • C0:50:18:4A:C6:D4:DF:FC:BF:3E:1A:A9:10:F2:B9:25:
  • 04:9D:6A:5C:EF:02:20:0A:EE:09:99:A0:25:6B:B4:84:
  • 0A:02:EE:8E:C2:32:6A:AC:84:A2:44:95:75:5B:BD:1F:
  • 08:D7:26:13:3C:52:3E
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
  • 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
  • Timestamp : Apr 30 04:46:11.683 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7D:5E:38:27:E9:4D:C6:75:D3:45:BD:9B:
  • F8:C8:74:B1:F5:22:31:2C:61:68:65:42:32:63:52:D3:
  • 57:E9:9E:F1:02:21:00:D8:C3:76:19:42:E7:6E:EE:D8:
  • 64:90:25:1D:D3:EF:F4:1F:7F:E1:17:FD:B3:65:B0:B8:
  • 6F:C6:0E:EB:F8:B2:E0
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Apr 30 04:46:11.533 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:5B:63:72:81:CA:0E:71:FA:A2:BB:D2:9E:
  • 70:29:BF:CF:B7:82:4D:FD:AB:AC:9F:72:01:97:67:F0:
  • 18:01:AA:86:02:20:40:A0:1B:E5:1E:91:DE:0E:64:2C:
  • F6:66:3A:E5:4C:A0:B9:BB:38:16:0F:6F:C7:B2:1B:29:
  • 2D:6F:C5:28:69:AA