Identify who is hosting a particular domain name or website

This product displays the DNS information critical for identifying who is hosting a particular domain name or website.

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500 free requests monthly. No credit card required.

DNS Lookup Services product line includes

Lookup

Just take a domain name and get the DNS information to identify who is hosting a particular domain name or website.

DNS Lookup | Whois XML API
DNS Lookup API | Whois XML API

API

This is a REST API that performs DNS queries via simple HTTP requests, returning your results as JSON/XML-encoded objects.

DNS Database Download

The passive DNS database is a large Historic DNS repository with 2 billion hostnames and hundreds of billions of Historic DNS Lookups. We offer an exhaustive and properly parsed passive DNS database in the format of an MYSQL dump or a CSV file that can be easily processed by your application.

DNS Database Download | Whois XML API

Benefits

  • Displays the DNS information critical for identifying who is hosting a particular domain name or website.

  • Determines the Mail Servers for Particular Domain. Use this API to find out what server(s) accept email for a specific domain by doing an MX record lookup.

  • Determines the IP address of the primary domain (A record), mail servers (MX records), DNS servers (name servers) and other items such as SPF records (TXT records).

  • Determines the SPF record for a domain by looking up its TXT record to see if the domain tries to restrict who can send email using the domains.

DNS Lookup Services | Whois XML API

Get 500 free credits monthly. No credit card required.

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