Reverse DNS Lookup | WhoisXML API

Reverse DNS Lookup

Our DNS Record Lookup Tool allows users to retrieve lists of domain names that use specified DNS record values. It also allows you to retrieve DNS records for the specified domain name.

DNS Database Download

Complement nameserver data with information from the largest IP/DNS database

Uncover all historical associations between IP addresses and domains or subdomains. Our data is well-parsed and complete with timestamps for 2 billion hostnames.

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