DNS Lookup

Free DNS Lookup Tool — Check Any Domain's DNS Records

A DNS lookup reveals the records that connect a domain name to the servers behind it. Enter any hostname and this tool returns its A, AAAA, CNAME, MX, NS, TXT and SOA records in seconds — the same data resolvers use to route traffic, deliver email and verify ownership.

Why does this matter for SEO and site health? DNS sits underneath everything. A misconfigured A record can take a site offline, a missing or wrong MX record breaks email deliverability, and TXT records hold the SPF, DKIM and DMARC entries that protect your domain from spoofing and keep your messages out of spam folders. NS records show which nameservers are authoritative, and the SOA record exposes your refresh and TTL timings — useful when you're waiting on DNS propagation after a migration.

Use this tool to confirm a domain points where you expect after changing hosts, to debug email problems, to check that verification TXT records (Google Search Console, Microsoft, etc.) are live, or simply to inspect a competitor's infrastructure. Because DNS changes propagate gradually, checking records directly is far more reliable than assuming an update has gone live.

From one check to a complete audit

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