DNS Tools

Query DNS records and compare answers across public resolvers.

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What you can do with dns tools

Query DNS records and compare answers across public resolvers.

  • DNS Lookup — Query A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV and PTR records.
  • DNS Propagation — Compare DNS answers across multiple public resolvers to spot inconsistencies.
  • Reverse DNS — Find the PTR record for an IPv4 or IPv6 address.

Browser tools compute locally and send nothing to a server. Server tools issue a single outbound query at the edge; the values you type are not logged or stored. See our methodology and data sources.