1. Public release
2. Release history
   1. Version 2.2.1 - May 23rd 2026
   2. Version 2.1.0 - May 12th 2026

Public release

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.

Release history

Version 2.2.1 - May 23rd 2026

Download 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

Download 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)