scan_domain
Full posture check in one call. Email authentication, TLS, and HTTP security headers, with an overall score.
How to use it
scan_domain is exposed by the Posturecheck MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the scan_domain tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
FULL POSTURECHECK MCP LISTINGOther tools in Posturecheck MCP (2)
Resolves the complete SPF include tree, counts DNS lookups against the RFC 7208 limit of 10, and names the services authorised to send mail.
TLS detail. Certificate validity, expiry, issuer, key strength, the full chain, and — importantly — which protocol versions the server actually accepts, tested with a separate handshake per version.