What Is Reverse Whois And How It Works ?

Reverse WHOIS API allows you to find domain names registered by a person name, or company name or an email address, useful to find connections between various domains.


custom search

Perform Custom Search

Perform a custom search query with company, owner, email address and domain keywords that provide you a list of domains Whois records.


Reverse Whois Lookup

Speed matters a lot to us. We load our indexed DataBase in hot memory to avoid any disk and database operation. This makes us the fastest whois history lookup services with minimum response time.


Accurate and Updated Database

We always keep our database up to date with latest whois data. We update our database on a daily basis.

well structured

Well Structured Whois Data Records

Well parsed and structured WHOIS data information to find differentiation with your existing information. It covers all domains, subdomains and TLDs.

Common Use Cases

B-to-B Research

Find and contact future partners, clients, resellers and many more. Reverse WHOIS API provide you a list of domains from our database that matches your search query. You can find all domains belonging to your data to evaluate and compare them to make best decision.


Marketing Research

Measure corporate or marketing research. Reverse Whois lookup allows you to get performance of your competitors. You can evaluate and compare their rankings, customer views and many more.

Investigate Cybercrime

Investigate cybercrime cases like credit card fraud, online scams, money laundering, security violation, attacking etc. Find details of business location and contact information of a company, organization, or individual with a domain name.


Trademark Infringements

Reverse WHOIS API use as brand monitor. Just enter your trademarked name and check the list of domains and their owners with Reverse Whois lookup to detect if anyone has abused your trademark more than once.

Academic Research

The broad range of data that you can access with our Reverse Whois API which allows you to research domain trends, domain distribution by company, name, email, country and TLDs