Chris Ismael

Domain & IP API ToolsHere’s a useful list domain and IP API tools.  Let us know if there are other APIs that should be on this list (

  1. Name Toolkit – Name Toolkit is a domain name suggestion, registration and whois info provider. Our focus is on speed, simplicity and honesty.
  2. Proxies – The WebKnox proxies API lets you retrieve public proxies. We try to keep a list of fresh, unblocked, high responsive, and alive proxies.
  3. IP Utils – A simple component helping with IP functionalities
  4. IP2Country – Look up country name and ISO code by IP v4 address
  5. Ping-uin – Ping an IP or URL
  6. DNS Tools – Resolve DNS addresses into IP addresses and vice versa
  7. Realtime HTTP Proxies – Access a list of recently tested proxies, accurate up to 1 sec as it’s tied into a massive distributed proxy testing network.
  8. Whois – This API takes a URL or domain as input and return back whois data.
  9. DNS – This API takes a URL or domain as input and returns back DNS data
  10. Domainr – Worldwide domain search.
  11. Reverse Whois – Reverse Whois (Registrant Search) lets you perform the most comprehensive wild card search on all whois records. Whether you know a name, an email address or other identifying information, now you can see all the domain names ever owned by any specific company or individual!
  12. whois – Provides consistent, well-structured whois data in XML & JSON.
  13. WhoAPI – Get extensive domain data on a massive scale. Domain data like structured whois info, domain availability & expiry date, server uptime from all our world wide nodes and many more valuable data.
  14. IP Address Geolocation – This API returns the location of an IP address (country, region, city, zipcode, latitude and longitude) and the associated timezone in JSON or XML format.
  15. Is it up – Allows you to check if a given website is up or down with various useful data.
  16. Where is it Up – Our API exposes site monitoring tools in 89 cities across 47 different countries on 6 continents. Through our global network we expose five types of monitoring tools: **HTTP** – We make an HTTP request against the specified URL, returning the response code, size, and basic timing information for the request.
  17. httpbl – REST API to check an IP address status via Project Honey Pot http:BL service.
  18. Get IP Info – This is an API to get the Longitude and Latitude Information on the basis of an IP.
  19. DB-IP – Lookup geographical location data like country code, state and city by IPv4 or IPv6 address.
  20. Public Proxies – The most reliable public proxy servers list. Thousands of http and socks proxies tested daily.
  21. IP Address Geolocation – IP Address Geolocation Service to Identify the Continent, Country Code, Country Name, Region (State, County, Province, Region, Territory, District, etc), City, Postal/ZIP Code, Metro Code, Area Code, Latitude, Longitude, Internet Service Provider (ISP) and Organization
  22. Restful WHOIS – Our services provides accurate GeoLocation on domains, name servers and IP addresses returned by the WHOIS lookup.
  23. Fluxifi – Miscellaneous tools for getting page rank, page speed, validating domains & emails
  24. – is a free IP information web service providing geolocation, hostname, organization and other data types. The API returns a JSON response containing data fields describing the specified IP.
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