DNS Speed Tester

OpenSpeedTest.com

About this app

DNS Speed Tester — Find the Fastest DNS for Your Network

Slow websites, high latency, or unreliable connections? Your DNS provider could be the bottleneck. DNS Speed Tester is a powerful DNS benchmark tool that measures and compares the speed, latency, and reliability of DNS servers in real time, directly from your Android device.

Every website, app, game, and online service depends on DNS. If your ISP's default DNS is slow or overloaded, your internet experience can feel sluggish. DNS Speed Tester helps you benchmark popular DNS providers against your current configuration so you can find the fastest and most reliable DNS server for your network.

Features

• Real-Time Performance Dashboard
View live graphs showing DNS response times and latency across multiple providers.

• Multiple Testing Protocols
Benchmark DNS performance using UDP, TCP, DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and ICMP Ping.

• Built-In DNS Providers
Compare Google Public DNS, Cloudflare, Quad9, and curated Privacy, Security, Family, and Ad-Blocking DNS categories.

• System DNS Detection
Automatically detects and benchmarks your current device and network DNS configuration.

• Advanced Benchmark Controls
Customize test domains, concurrency levels, timeout limits, cache-busting, and latency calculation methods.

• Custom DNS Providers
Add, edit, and benchmark your own DNS servers.

• Import and Export Settings
Save, share, and restore DNS configurations using JSON.

• Designed for Android
Fast, lightweight, and optimized for Android phones and tablets with automatic Light and Dark Mode support.

Perfect For

• Gamers looking for lower latency
• Privacy-focused users comparing DoH and DoT providers
• Home users optimizing browsing performance
• Network administrators troubleshooting DNS issues
• IT professionals validating DNS performance

DNS Speed Tester provides accurate DNS benchmarking and performance analysis, helping you choose the best DNS service for speed, reliability, privacy, and security.

Free. No account required. No telemetry. Just fast, accurate DNS benchmarking.