Domain Name System

Running customized authoritative and recursive DNS plans around the globe.

DNS stands for Domain Name System. It is a system that is used to translate human-readable domain names (such as example.com) into the numerical IP addresses that computers use to communicate with each other.

DNS is an essential part of the Internet, as it allows users to access websites and other online resources using easily-remembered names, rather than having to remember the numerical IP addresses of the servers that host these resources. When you enter a domain name into your web browser, your computer sends a request to a DNS server to resolve the domain name into an IP address. The DNS server responds with the IP address of the server that hosts the website, and your browser uses this address to connect to the server and retrieve the website.

DNS is often referred to as the "phonebook" of the Internet, as it allows users to find the "phone numbers" (IP addresses) of the servers that host the websites and other online resources that they want to access.

We use Google Web Risk API and Phishtank API to perpetrate DNS security threats.

For any DNS security related abuse complaint, please contact [email protected].

xTom offers customized authoritative (e.g. ns1.xtom.com) or recursive (e.g. DNS plans in the following locations:

  • China Mainland
  • Hong Kong, China
  • Macau, China
  • Osaka, Japan
  • Tokyo, Japan
  • Sydney, Australia
  • Melbourne, Australia
  • Singapore
  • Fremont, United States
  • San Jose, United States
  • Los Angeles, United States
  • Dallas, United States
  • Chicago, United States
  • Atlanta, United States
  • Ashburn, United States
  • New York, United States
  • London, United Kingdom
  • Amsterdam, Netherlands
  • Frankfurt, Germany
  • Düsseldorf, Germany
  • Paris, France
  • Moscow, Russia
  • Tallinn, Estonia
  • Johannesburg, South Africa
  • and more...

xTom offers free public DNS resolvers at DNS.SB

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