1. Version 2.4.4 - July 8th 2026
2. Version 2.3.6 - June 28th 2026
3. Version 2.2.1 - May 23rd 2026
4. Version 2.1.0 - May 12th 2026

Version 2.4.4 - July 8th 2026

DnsStream 2.4.4 adds an additional metric, configuration file enhancements, all configuration parameters prefixed with event- are renamed to message-, and the term event removed from most of the documentation to avoid ambiguity with features planned for future releases.

Download

• Windows dnsstream-2.4.4-windows-x64.zip
• Linux dnsstream-2.4.4-linux-x64.tgz

Enhancements

• Allow multiline configuration items
• Add required -Confirm argument to the Windows uninstaller and --confirm argument to the Linux uninstaller
• Add the dnstapError metric for forwarder
• Rename all event- configuration parameters to message-

Version 2.3.6 - June 28th 2026

DnsStream 2.3.6 adds Linux support with native dnstap ingestion over UNIX domain sockets, introduces a unified dnstap-based event pipeline, expands event coverage with resolver telemetry, and delivers a consistent cross-platform DNS telemetry experience across Windows ETW and Linux dnstap environments.

Download

• Windows dnsstream-2.3.6-windows-x64.zip
• Linux dnsstream-2.3.6-linux-x64.tgz

New features

• Linux support
• dnstap ingestion via UNIX domain sockets

Enhancements

• New Windows ETW event types
  • resolver-query
  • resolver-response
• Expanded dnstap compatibility
  • Accepts and forwards all dnstap message types when using dnstap output
  • Can act as a transparent dnstap relay while adding operational benefits
• Expanded JSON output, now supports:
  • client-query / client-response
  • resolver-query / resolver-response
  • forwarder-query / forwarder-response
  • stub-query / stub-response
  • tool-query / tool-response
• Expanded querylog output
  • Now supports auth, client, resolver, forwarder, stub and tool query/response events
  • Consistent querylog formatting across all supported dnstap roles

Version 2.2.1 - May 23rd 2026

DnsStream 2.2.1 adds support to forward messages in dnstap format in addition to the existing JSON and querylog formats.

Download

• Windows dnsstream-2.2.1-windows-x64.zip

New features

• dnstap over TCP/TLS forwarding

Enhancements

• Change default forwarder-batch-size configuration from 10 to 100
• Change default forwarder-recovery configuration from durable to best-effort

Version 2.1.0 - May 12th 2026

DnsStream 2.1.0 is the first public release of DnsStream as a Telemity product. The underlying telemetry engine and collection architecture have evolved over multiple years through internal development and production use in enterprise Windows environments. Earlier internal builds and customer-specific deployments were not publicly distributed and are not included in this release history.

Download

• Windows - dnsstream-2.1.0-windows-x64.zip

Features

• Lightweight signed Windows Service
• Passive ETW-based real-time telemetry capture
• Full DNS message parsing including answer, authority, and additional sections.
• Fixed-size in-memory queue
• JSON over TCP/TLS forwarding
• BIND querylog format over Syslog/TLS
• Domain enrichment (DNS-aware parsing)
• IPv4, IPv6 and FQDN forwarding targets
• TLS encrypted transport
• Schema stability guarantees
• Processing and forwarding metrics
• ZIP-based deployment with install.ps1 and uninstall.ps1
• Load-balanced telemetry delivery across multiple forwarding targets (Assured only)
• Automatic failover and recovery during collector or network outage (Assured only)
• Mutual TLS (client certificate authentication) (Assured only)