pool.ntp.org

NTP Pool

NTP Pool Project


pool.ntp.org: public ntp time server for everyone

Introduktion

Aktive Servere

As of 2026-02-25

Pool.ntp.org projektet er et stort virtuelt cluster af tidsservere, der tilbyder pålidelig og nemt at bruge NTP service for millioner af klienter.

Pool'en bruges af hundreder af millioner af systemer verden over. Det er standard tidsserver for de fleste større Linux distributioner og mange netværksenheder (se information for producenter).

På grund af det store antal brugere har vi brug for flere servere. Hvis du har en server med statisk IP-adresse, som altid er tilgængelig på internettet, så overvej venligst at tilføje den til systemet.

Projektet vedligeholdes og udvikles af Ask Bjørn Hansen og en stor gruppe af bidragydere på projektets fællesskabsforum. Kildekoden til systemet er tilgængelig.

Hosting og båndbredde for "hub" serverne leveres af Equinix og Netactuate.

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Nyheder

Tilmeld i en læser

  • February 22, 2026

    Infrastructure Migration

    The NTP Pool is migrating its central infrastructure from Equinix Metal to two smaller, globally distributed clusters. Equinix Metal is sunsetting later this year, so the project must move.

    Equinix Metal — originally Packet — hosted the NTP Pool’s central infrastructure for almost seven years. The web application, databases, DNS zone building, monitoring pipelines, observability, development and beta environments all ran there. It was the backbone that kept the entire pool management system running.

    The relationship started with Packet, whose team went out of their way to help during an emergency migration in 2019. Equinix continued that same level of support after acquiring Packet. Their generosity made it possible for a volunteer-run project to operate infrastructure at a scale that would otherwise be out of reach. We would gladly have stayed — Equinix Metal was an excellent home for the project.

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  • July 27, 2025

    NTP Pool Monitoring v4

    The NTP Pool is upgrading its monitoring system to support more monitors and provide better coverage for all servers. The current monitoring system (v2) supports a smaller number of monitors with just “active” and “testing” states. The new monitoring system (v4) can support many more monitors, makes them easier to provision and operate, and introduces a new “candidate” state for better resource management.

    Key Improvements in v4

    • Expanded capacity: Support for significantly more monitoring nodes worldwide
    • Better coverage: Enhanced geographic distribution and network diversity
    • New candidate state: Improves resource allocation and provides backup monitoring coverage
    • Easier operations: Simplified setup and management for monitor operators

    With the new monitoring infrastructure, we’ll have a world-class globally distributed monitoring system to match the unparalleled NTP service. The monitoring system will better test local conditions across the world and give us new and better tools to diagnose network problems across countries and networks.

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  • March 20, 2023

    NTP Pool Monitoring v2

    This weekend the system that monitors the NTP servers in the NTP Pool got a major overhaul!

    NTP servers are now monitored from a number of monitors across the world, usually closer to the server than the single monitor was before.

    One of the most frustrating things about operating an NTP server in the NTP Pool was how random network issues far away from the server would impact the score. Sometimes cause an email to be sent to the operator about potential problems.

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  • March 12, 2023

    The NTP Pool Project turns 20

    This year the NTP Pool Project has been serving time to the world for 20 years!

    Trillions and trillions of DNS requests have been served to billions of clients, with the NTP requests handled by thousands of NTP servers across the world day and night.

    Development on the project ebbs and flows, but maintenance and upgrades on the production infrastructure is consistent – and constant.

    Our community is active; and the NTP server operators even more so with almost 2,000 operators managing the 3,000 IPv4 NTP IPs and 1,600 IPv6 IPs active in the system.

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  • May 25, 2020

    Website cookie policy

    The main website (www.ntppool.org / www.pool.ntp.org) doesn’t set any browser cookies. Some access logs are generated strictly for diagnostics purposes. No long term storage or analytics on user behavior is attempted.

    The manage website (manage.ntppool.org) sets a cookie on login to track authentication. The site also keeps a record of the account information you provide and NTP server IPs that are registered. We try hard to not keep any information that’s not essential for operating the system.

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