Tools / Email security check
Email security check
Check SPF, DKIM, DMARC, BIMI, MTA-STS and TLS-RPT for your domain in one test.
Only public DNS records and the published MTA-STS policy are queried. We do not store the domain.
email/check) and on the MCP server as check_email_security. curl "https://digitaltrust.pt/api/v1/email/check?domain=company.eu&dkim_selector=default"API and MCP documentation.
More checks, no sign-up.
SSL/TLS checker
Test the certificate, chain and protocols of any server: website, mail server or API.
Certificate decoder
See what is inside a certificate: names, validity, issuer, validation type and fingerprints.
CSR decoder
Check your certificate request before you send it: names, organisation, key and signature.
CSR generator
Create the private key and the CSR in your browser, or copy a ready-made OpenSSL command.
Key matcher
Confirm that a certificate, a CSR and a private key belong together.
SSL converter
Tell us where the certificate is going (Plesk, nginx, Windows, HAProxy, Java) and get the right files. PEM, DER, P7B and PFX, without the key leaving your computer.
Certificate Transparency lookup
Find every valid certificate issued for your domain and its subdomains in the public Certificate Transparency logs.
CAA checker
See which Certification Authorities may issue for your domain, before you order.