Knowledge base Tests About the website test About the email test About the connection test Standards Modern address (IPv6) Domain signature (DNSSEC) Secure website connection (HTTPS) Security options (HTTP security headers and security.txt) Protection against email phishing (DMARC, DKIM and SPF) Secure email transport (STARTTLS and DANE) Authorisation for routing (RPKI) Test report Explanation of test report Using the 100% badges