# nts-servers | Jauder Ho | Knowledge Base | Instagit

NTP servers with NTS support

GitHub Stars: 235

Repository: https://github.com/jauderho/nts-servers

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## Articles

### [Why Are Some NTS Servers Marked as 'Distro-Only' in the Server List?](/jauderho/nts-servers/why-are-some-servers-marked-as-distro-only-in-the-nts-server-list)

Discover why Ubuntu NTP servers are marked distro-only. Learn how this prevents overload and ensures fair usage for the Ubuntu distribution.

- Tags: explanation
- Published: 2026-03-04

### [What the vm and owner Fields in nts-sources.yml Signify](/jauderho/nts-servers/what-do-the-vm-and-owner-fields-in-nts-sources-yml-signify)

Understand the vm and owner fields in nts-sources.yml to identify NTP server virtualization and operational ownership. Filter servers by infrastructure and attribution easily.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Use the ntsCheck.sh Script to Test NTS Server Availability](/jauderho/nts-servers/how-to-use-the-ntscheck-sh-script-to-test-server-availability)

Learn to test NTS server availability with the ntsCheck.sh script. Validate Network Time Security connectivity quickly without altering your system clock.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Debug NTS Connection Problems with chrony or ntpd-rs](/jauderho/nts-servers/how-can-i-debug-nts-connection-problems-with-chrony-or-ntpd-rs)

Debug NTS connection problems with chrony or ntpd-rs. Verify DNS, test connectivity, validate configs, and use verbose logging to fix TLS handshake and certificate issues.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Report Issues with NTS Servers in the jauderho/nts-servers Repository](/jauderho/nts-servers/what-is-the-process-for-reporting-issues-with-nts-servers-in-the-list)

Learn how to report NTS server issues in the jauderho/nts-servers repository. Use ntsCheck.sh, document failures with nts-sources.yml, and submit a GitHub issue or pull request.

- Tags: how-to-guide
- Published: 2026-03-04

### [Understanding NTP Server Stratum Levels: Hierarchy and Significance](/jauderho/nts-servers/what-is-the-significance-of-different-stratum-levels-for-ntp-servers)

Discover NTP server stratum levels and their significance. Learn how hierarchy impacts time accuracy from reference clocks to distributed sources.

- Tags: deep-dive
- Published: 2026-03-04

### [How Are Contributions to the nts-servers Project Managed? A Complete Guide](/jauderho/nts-servers/how-are-contributions-to-nts-servers-project-managed)

Learn how contributions to the nts-servers project are managed with a detailed guide. Understand the pull request workflow including validation script updates and configuration regeneration.

- Tags: how-to-guide
- Published: 2026-03-04

### [Understanding the Project Structure of jauderho/nts-servers: A Complete Guide](/jauderho/nts-servers/what-is-the-project-structure-of-jauderho-nts-servers)

Explore the project structure of jauderho/nts-servers. Learn how this flat, data-driven architecture uses a single YAML file to generate NTP client configurations for Chrony and ntpd-rs with Python and Bash scripts.

- Tags: tutorial
- Published: 2026-03-04

### [How to Check for IPv4 and IPv6 Support on NTS Servers](/jauderho/nts-servers/how-to-check-for-ipv4-and-ipv6-support-on-nts-servers)

Easily check IPv4 and IPv6 support on NTS servers using nts-sources.yml scripts or DNS lookups. Verify network time security connectivity efficiently.

- Tags: how-to-guide
- Published: 2026-03-04

### [Best Practices for Selecting and Configuring NTP Servers: A Complete Guide to NTS Security](/jauderho/nts-servers/what-are-the-best-practices-for-selecting-and-configuring-ntp-servers)

Master NTP server selection with our guide. Learn best practices for configuring NTS servers and validating connectivity for enhanced network time synchronization and security.

- Tags: best-practices
- Published: 2026-03-04

### [Can You Mix NTS and Non-NTS Servers in Your Time Synchronization Setup?](/jauderho/nts-servers/can-i-mix-nts-and-non-nts-servers-in-my-time-synchronization-setup)

Learn why you cannot mix NTS and non-NTS servers in your time synchronization setup using the nts-servers repository due to TLS authentication rejecting plain NTP responses.

- Tags: how-to-guide
- Published: 2026-03-04

### [How ntpServerConverter.py Converts YAML to Markdown, chrony.conf, and ntp.toml](/jauderho/nts-servers/how-does-ntp-server-converter-py-script-convert-yaml-to-other-formats)

Learn how ntpServerConverter.py converts YAML to Markdown, chrony.conf, and ntp.toml. Generate documentation and configuration files efficiently with this Python script.

- Tags: how-to-guide
- Published: 2026-03-04

### [nts-sources.yml: Format, Schema, and Purpose Explained](/jauderho/nts-servers/what-is-the-format-and-purpose-of-nts-sources-yml)

Understand the nts-sources.yml format and purpose. This YAML file acts as the single source of truth for NTS servers, defining metadata and enabling automated NTP configurations.

- Tags: api-reference
- Published: 2026-03-04

### [Why the nts-servers Project Provides Configurations for Both chrony and ntpd-rs](/jauderho/nts-servers/why-does-nts-servers-project-provide-configurations-for-both-chrony-and-ntpd-rs)

The nts-servers project offers dual configurations for chrony and ntpd-rs, simplifying Network Time Security adoption for diverse NTP client users.

- Tags: internals
- Published: 2026-03-04

### [How to Choose Geographically Appropriate NTS Servers: A Complete Guide](/jauderho/nts-servers/how-to-choose-geographically-appropriate-nts-servers)

Choose geographically appropriate NTS servers by matching client location to nts-sources.yml. Prioritize non-virtualized servers with low stratum for optimal performance.

- Tags: how-to-guide
- Published: 2026-03-04

### [How Does Anycast Work for NTP Servers: Architecture and Advantages Explained](/jauderho/nts-servers/how-does-anycast-work-for-ntp-servers-and-its-advantages)

Discover how Anycast works for NTP servers optimizing latency and resilience. Learn about Anycast architecture and its key advantages by sharing a single IP across multiple servers.

- Tags: architecture
- Published: 2026-03-04

### [Implications of Using Virtualized Servers for NTP: Accuracy and Performance Analysis](/jauderho/nts-servers/what-are-the-implications-of-using-virtualized-servers-for-ntp)

Discover how virtualised servers impact NTP accuracy and performance. Learn why they are unsuitable for primary time sources due to CPU jitter and network virtualization.

- Tags: performance
- Published: 2026-03-04

### [Server Stratification in NTP: Understanding Time Accuracy and Stratum Levels](/jauderho/nts-servers/what-is-server-stratification-and-its-importance-in-time-accuracy)

Discover server stratification in NTP. Understand how stratum levels impact time accuracy, precision, and network synchronization for optimal performance.

- Tags: tutorial
- Published: 2026-03-04

### [What Is Network Time Security (NTS) and Its Benefits Over Standard NTP](/jauderho/nts-servers/what-is-network-time-security-nts-and-its-benefits-over-standard-ntp)

Discover Network Time Security NTS a secure extension of NTP using TLS 1.3 to prevent attacks and ensure accurate time sync. Learn its benefits over standard NTP.

- Tags: deep-dive
- Published: 2026-03-04

### [How to Configure ntp.toml for ntpd-rs with NTS Servers](/jauderho/nts-servers/how-to-configure-ntp-toml-for-ntpd-rs-with-nts-servers)

Learn to configure ntp.toml for ntpd-rs with NTS servers. Simply set mode to nts and provide server addresses for secure NTP synchronization. Configure via file or environment variable.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Verify NTS Server Connectivity Using chronyd: A Complete Guide](/jauderho/nts-servers/how-to-verify-nts-server-connectivity-using-chronyd)

Verify NTS server connectivity with chronyd using helper scripts. Quickly test single or bulk connections without system changes. Learn how now.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Add a New NTS Server to the jauderho/nts-servers List: A Complete Guide](/jauderho/nts-servers/how-to-add-nts-server-to-jauderho-nts-servers-list)

Learn to add a new NTS server to the jauderho/nts-servers list easily. Follow our step by step guide for validation, configuration, and file regeneration for seamless integration.

- Tags: how-to-guide
- Published: 2026-03-04