Lookup DNS records (A, MX, TXT, CNAME), check SSL certificate expiry, validate SPF and DMARC configurations, and monitor domain health — all in one API.
GET /dns?domain=example.com&type=MX X-API-Key: csk_your_key
{
"domain": "example.com",
"type": "MX",
"records": [
{ "priority": 10, "exchange": "mail.example.com" }
],
"ttl": 3600
}
Production-ready with comprehensive coverage and fast response times.
Query A, AAAA, MX, TXT, CNAME, NS, SOA, PTR records.
Check SSL certificate expiry date, issuer, and chain validity.
Parse and validate SPF records to prevent email spoofing.
Retrieve and analyze DMARC policy configuration.
Distributed resolvers for sub-200ms DNS responses globally.
Query multiple domains in a single API request.
One API key unlocks DNS/SSL Monitor API plus 20+ other production-ready APIs. Free plan available instantly.