Open-source projects tagged “dns”

All-in-one OSINT web app that runs on-demand checks on any website, covering DNS, SSL, headers, server info, and security configuration.

Self-hosted, network-wide DNS server that blocks ads and trackers for every device on your home network without client software.

A web toolkit for analyzing any domain, covering DNS records, IP geolocation, WHOIS, and SSL/TLS certificate history.

A Rust tool and HTTP backend that checks whether an email address exists and is deliverable, without sending any email.

A web toolbox for IP lookup, network and DNS/CDN diagnostics, browser fingerprint checks, and AI service status, built on Cloudflare Workers.

A native macOS menubar app showing live upload and download speeds, router bandwidth, per-app traffic and built-in speed tests.