MCP tool
check_caa
Look up CAA records for a domain.
The check_caa tool is provided by BlackVeil DNS & Email Security Scanner. Install that server in your AI client and the assistant can call it directly.
Servers exposing check_caa
From the publisher:Look up CAA records for a domain. Shows which Certificate Authorities are authorized to issue certificates. Part of the scan_domain audit.
Install BlackVeil DNS & Email Security Scanner →Parameter Type Description domain*string Domain to check (e.g., example.com) force_refreshboolean Bypass cache and run a fresh check. Useful after DNS changes. formatstring Output verbosity. Auto-detected if omitted.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.