Reverse NS API lets you see the list of domain names tied to the same nameserver.Get started
100 free credits monthly. No credit card required.
All of the historical DNS lookup results come from a massive database that is updated daily. The database contains 500 billion historical lookup records, including more than 196 million nameserver records.
There is no need to worry about compatibility issues with reverse NS API. Our nameserver records come in well-known and widely used formats, including XML and JSON.
You may not be able to reach your target audience when you share nameservers with domains that are involved in malicious activities. Avoid getting blacklisted by using Reverse NS API to see what domains you share nameservers with.
Find all domains that use the same name server.Learn more
Find out which IP range the particular IP belongs to.Learn more
Monitor exact matches, variations and common misspellings of your brand name & trademarks.Learn more
Define website category of the given domain.Learn more
Get full contacts data of the given domain.Learn more
Reveal all the domains that use the same mail server.Learn more
Identify who is hosting a particular domain name or website.Learn more
Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...Learn more
We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.Learn more
Easily detect all typosquatting domain names as soon as they are registered each day.Learn more
Get well-parsed and normalized WHOIS information for any domain name, IP address or email.Learn more
Get the most relevant data to be ahead of emerging security threats.Learn more
Get access to the biggest US Internet Retailers Database.Learn more
Get a complete daily list of all the registered domains and zone files.Learn more
Find out which domains were added or dropped by registrants, with given search criteria.Learn more
Get data feeds of new registered domains along with their WHOIS data generated in real time.Learn more
Keep track of the best business opportunities online.Learn more
Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...Learn more
Find connections between various domains, individuals and organizations.Learn more
Ensure the validity and quality of any email address.Learn more
Find out the exact physical location of any IP address, email or domain name.Learn more
The most accurate domain availability checker offered on the market.Learn more
Instantly get a screenshot of any web page.Learn more
Find relations like ownership between hostnames and IPs.Learn more
API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.Learn more