Fast DNS Lookup Library and CLI Tool

dnsx is a fast and multi-purpose DNS toolkit allow to run multiple DNS queries of your choice with a list of user-supplied resolvers.

Chrome Debugging Protocol interface for Node.js

A faster, simpler way to drive browsers supporting the Chrome DevTools Protocol.

Measure and Optimize Web Performance

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

A community-maintained Python framework for creating mathematical animations.

tlsping — a tool for measuring TLS handshake latency

A command-line tool for testing SSL/TLS handshake latency, written in Go.

DNS Performance Testing Tools

Oblivious DoH client

⏱ The exponential backoff algorithm in Go

A command-line DNS client.

Local development base environment stack on Docker containers. Using Traefik with TLS, Dnsmasq, Exim4 and MailHog.

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

Sample of a self signed certificate https server in golang. This repo demonstrates to you the best way to up your self signed cert in golang. It shows in a simple way how to generate and trust the …

nghttp2 - HTTP/2 C Library and tools

An experimental tool that allows you to test new DNS-over-HTTPS services on Android

stand-alone application for DoH (DNS-over-HTTPS) name resolves and lookups

a DNS performance and functional testing utility supporting UDP, TCP, DoT and DoH

DNS Shotgun: high-performance realistic DNS benchmarking tool. This is a mirrored repository.

Tools to bootstrap CAs, certificate requests, and signed certificates.

DNS library in Go

Measurements of Performance and Availability of Emerging DNS Protocols, including DNS-over-TLS, and DNS-over-HTTPS

Handshake Daemon & Full Node

🔒 Let's DANE is an experimental way to enable the use of DANE/TLSA in browsers and other apps using a lightweight proxy.

Hargo is a Go library and command line utility that parses HAR files, can convert to curl format, and serve as a load test driver.

Internet.nl toolbox - how-to's for modern mail security standards (DMARC, DKIM, SPF and DANE)

unbound DNS Resolver running in a Docker Container with DNSSEC enabled

CoreDNS is a DNS server that chains plugins