ntp.org is responding but very slowly (3304ms). Normal response time is under 500ms. The server may be under heavy load or experiencing performance issues.
Svarstid (24h)
No incidents in the last 7 days
If you're having trouble reaching ntp.org even though it appears to be up, try these steps:
Browser Fixes
- Press Ctrl+Shift+R (or Cmd+Shift+R on Mac) to force a full refresh
- Clear your browser cache and cookies for this site
- Try opening the site in an incognito/private window
- Try a different browser (Chrome, Firefox, Safari, Edge)
DNS & Network Fixes
- Flush your DNS cache — on Windows:
ipconfig /flushdns - Try switching to a public DNS: 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google)
- Check if the site works on your mobile data — if it does, the problem is your ISP or router
- Restart your router/modem
Still Not Working?
- The site may be blocking your IP address or country
- Your ISP might be having routing issues to this specific server
- Try accessing the site using a VPN or proxy service
The official project website for Network Time Protocol (NTP), providing time synchronization software and documentation for computer networks.
The NTP Project website serves as the central hub for the Network Time Protocol, a critical internet infrastructure protocol that synchronizes computer clocks across networks. The site hosts official NTP software distributions, comprehensive documentation, and research materials for system administrators, developers, and researchers working with time synchronization. NTP is essential for maintaining accurate timestamps in logging systems, financial transactions, distributed databases, and security protocols. The website provides downloads for various operating systems, configuration guides, technical specifications, and security advisories. Universities, data centers, financial institutions, and cloud providers rely on NTP servers and documentation from this site to ensure their systems maintain precise time coordination, which is crucial for network security, compliance requirements, and distributed system operations.
Common issues with ntp.org
Users typically encounter issues accessing ntp.org during network outages or DNS resolution problems. Common problems include slow download speeds for NTP software packages, intermittent connectivity when accessing documentation during peak traffic, and occasional server timeouts when fetching security updates. Since many automated systems regularly check for NTP updates, high server load can cause temporary unavailability. Users experiencing issues should verify their DNS settings, try alternative mirror sites for downloads, and check if their firewall blocks access to the site's ports.
| Uppetid | 100% |
| Snitt svarstid | 1435ms |
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