Fingerprint the DNS provider serving a domain from its public NS records. Returns the record name written the way that provider's form expects it (@ vs blank vs the full domain), whether it can point a zone apex, where its record editor lives, and the provider-specific settings that silently break custom domain setups.

Fingerprint the DNS provider serving a domain from its public NS records. Returns the record name written the way that provider's form expects it (@ vs blank vs the full domain), whether it can point a zone apex, where its record editor lives, and the provider-specific settings that silently break custom domain setups.

Free and keyless: no Authorization header, CORS enabled for browser callers. Rate limited per IP at 30 requests/minute and 500/day; the x-ratelimit-remaining-minute and x-ratelimit-remaining-day response headers report what is left.

Example: curl -s "https://api.domainee.dev/v1/tools/dns-provider-lookup?domain=example.com" | jq