check mta sts

Check whether a domain enforces SMTP TLS for inbound mail via MTA-STS, protecting against downgrade attacks. Queries _mta-sts.<domain> and fetches the policy fi

liveverifiedunknown~5s typical

mcpprobeddns

$0.0020

per call

plus $0.001 platform fee per run

Open MCP server; Cracked bills routing only

Provider Upstream docs

$Set up https://cracked-ai-pearl.vercel.app/SKILL.md, then use Cracked to run mcp-com-blackveilsecurity-dns /check_mta_sts for me.

Input

Field	Type	Description
domain*	string	Domain to check (e.g., example.com)
force_refresh	boolean	Bypass cache and run a fresh check. Useful after DNS changes.
format	string (full \| compact)	Output verbosity. Auto-detected if omitted.

Call it

curl

curl https://cracked-ai-pearl.vercel.app/v1/run \
  -H "Authorization: Bearer ck_live_..." -H "content-type: application/json" \
  -d '{"provider":"mcp-com-blackveilsecurity-dns","endpoint":"/check_mta_sts","input":{"domain":"..."}}'

cli

npx cracked-ai run -p mcp-com-blackveilsecurity-dns -e /check_mta_sts -i '{"domain":"..."}'

mcp

run_tool({ provider: "mcp-com-blackveilsecurity-dns", endpoint: "/check_mta_sts", input: {"domain":"..."} })

Try it

Runs against your signed-in workspace balance. Sign in if you have not.