List of NTP servers

Written by ben brassart
  • Share
  • Tweet
  • Share
  • Pin
  • Email
List of NTP servers
Time is important on a network. (CLOCK image by SKYDIVECOP from

The Network Time Protocol is an often-overlooked protocol vital to any network. Without accurate, synchronised tracking of time across all the systems on a network, logging entries will be incorrect. Troubleshooting is difficult to perform when three systems say a particular issue happened at three different times. Several public time servers exist to solve this problem.

<p> is the primary time server used in almost every distribution of Linux and Unix, as well as network appliances. The is used by tens of millions of users and contains thousands of servers, according to the NTP Pool Project (see Reference 1).

NIST Time Servers

The National Institute for Science and Technology administers a pool of time servers that are available to the public. The NIST time servers only support authenticated NTP requests using the encryption methods outlined in the NTP documentation.

Windows Time Service

Microsoft offers a time server at It is recommended for domain environments to synchronise with to enable the use of different time-sensitive policies and restrictions. These include access to files by certain users or groups based on time of access, for instance, a particular group may only be able to access a file server between 8 a.m. and 5 p.m.

Don't Miss

  • All types
  • Articles
  • Slideshows
  • Videos
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the site, you consent to the use of cookies. For more information, please see our Cookie policy.