DNS lookup
Resolve and inspect A, AAAA, MX, NS, TXT, CNAME, SOA, and CAA records for any domain.
Works on all devices. Blocks ads and trackers. Replaces your default resolver.
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What is DNS?
DNS is the system that turns a name like google.com into the numeric IP address your computer actually connects to. Each record type answers a different question: A and AAAA give IPv4 and IPv6 addresses, MX points to mail servers, NS lists the domain's nameservers, TXT carries verification and SPF data, CNAME aliases one name to another. A DNS lookup tells you what the public internet currently believes about a domain — useful for debugging email delivery, verifying ownership records, or tracing CDN routing.