Domain Trust Check (DNS, Email Auth, TLS, Headers) for ChatGPT

io.github.pcp183/domain-check

Live domain trust checks: DNS, MX, SPF, DMARC, DNSSEC, TLS certificate and HTTPS headers. x402.

client:ChatGPT transport:streamable-http tools:1

Install Domain Trust Check (DNS, Email Auth, TLS, Headers) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://domain-check-production-6228.up.railway.app/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs