Domain Intelligence API
One API call for DNS, email security, DNSSEC + RDAP
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Domain Intelligence API - One API call for DNS, email security, DNSSEC + RDAP

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Free domain intFree Domain Intelligence API for developers. GET /v1/domain/check?domain=example.com returns DNS (A, AAAA, MX, NS, TXT, CNAME), email security (SPF/DMARC/MX), DNSSEC presence, and RDAP registration data as normalized JSON. FastAPI + live demo, no signup, OpenAPI + Postman included.elligence checker for DNS, SPF, DMARC, DNSSEC and RDAP.

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Hey hunters! I'm building Domain Intelligence API. I kept running dig + whois + mxtoolbox separately to answer: Does this domain have MX? SPF? DNSSEC? Who owns it? So I combined it into one call: curl "" Live demo needs no signup, docs are OpenAPI, Postman in repo. Free to try, paid via RapidAPI for volume. What would make you switch? Batch check next? SSL info?