Free tools

Quick, free diagnostics for anyone managing domains — run right from your browser, no account needed.

馃攳 DNS propagation checker

Look up A, AAAA, CNAME, MX, NS and TXT records across Google, Cloudflare, Quad9, OpenDNS, Verisign and more — all queried live and in parallel — so you can see exactly how far a DNS change has propagated and which resolvers still hold an old answer.

Open DNS checker

鈫笍 Redirect checker (30x test)

Trace a URL's full redirect chain hop by hop: every 301, 302, 303, 307 and 308, where each hop points, whether the chain ends on a 200, plus warnings for loops, chains that never end, and HTTPS downgrades.

Open redirect checker

▩ QR code maker

Create a custom QR code from any link or text — pick your colors and size, then download a crisp SVG (for print) or PNG instantly. Generating is free for everyone; create a free account to save and reuse your codes.

Open QR code maker

Fair use applies (a short per-minute limit keeps these free for everyone). Need redirects, DNS hosting, or branded short links for your own domains? See pricing or features.