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Root server deployments

While a root nameserver is any Domain Name System (DNS) server that answers requests for the DNS root zone, redirecting requests for each Top Level Domain (TLD) to its respective nameservers, the term 'root nameserver' or 'rootserver' typically refers to the 13 root nameservers that implement the root namespace domain for the Internet's official global implementation of the DNS.

The TLD is what occurs after the final 'dot' of a domain name (for example, com, org, net), and the root servers are responsible for directing each domain name lookup request to its respective nameserver.

The 13 root nameservers each have an identifying letter, from A-M. However, while only 13 names are used for the root namesevers, there are many more physical servers. Some exist in only one instance while others, such as C, F, I, J, K, L, and M servers all exist in multiple locations on different continents. These duplicates use anycast address announcements to provide a completely decentralized service.

Having multiple servers distributed around the world provides high performance DNS lookup independent of the user's location as the request does not have to be dealt with by a single remote instance of the nameserver.

APNIC's root server project

In November 2002, APNIC announced a project to assist the community to establish several new rootserver sites into the Asia Pacific region.

APNIC assists in the deployment of these rootservers providing techncial support. Many of the sites are either fully, or at least partially, funded by APNIC. The rootserver deployments are then maintained by the operator, as 'anycast' mirror copies of existing rootservers.

Timeline of root server deployment

 
July 2008I-Root nameserver installed in Colombo, Sri Lanka
May 2007F-Root nameserver installed in Suva, Fiji
May 2007I-Root nameserver installed in Manila, Philippines
December 2005F-Root nameservers installed in Karachi, Pakistan and Dhaka, Bangladesh
August 2005

Three root nameservers installed in India:

  • F-Root (Chennai)
  • I-Root (Mumbai)
  • K-Root (Noida)
June 2005K-Root installed in Brisbane, Australia
April 2005K-Root installed in Tokyo, Japan
March 2005I-Root installed in Jakarta, Indonesia
October 2004F-Root installed in Osaka, Japan
September 2004I-Root installed in Bangkok, Thailand
August 2004I-Root installed in Kuala Lumpur, Malaysia
July 2004M-Root installed in Seoul, Korea
July 2004F-Root installed in Jakarta, Indonesia
February 2004F-Root installed in Brisbane, Australia
December 2003F-Root installed in Singapore
December 2003F-Root, installed in Taipei, Taiwan
November 2003F-Root installed in Hong Kong
October 2003F-Root installed in Beijing, People's Republic of China.
See also: APNIC and ISC install the first root nameserver in Mainland China
August 2003F-Root installed in Seoul, Korea
July 2003F-Root installed in Auckland, New Zealand
January 2003APNIC calls for Expressions of Interest for support of APNIC PoPs
November 2002APNIC announces project to bring new root server sites into the Asia Pacific region
August 1997M-Root installed in Tokyo, Japan
 

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Asia Pacific Root servers

In November 2002, APNIC announced a new project to establish a number of new root server sites in the Asia Pacific region.  The sites are funded partially or fully by APNIC, but operated as "anycast" mirror copies of exiting Root servers, by the applicable rootserver operator. 

  • For more information about this project, please email Paul Wilson, APNIC's Director General.

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