This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Sebastian Korfmann
skorfmann.com
did:plc:h6cnnprki3i6rf3h2cctufta
new tool: vacant.
$ vacant portmate.dev
✓ available
that's it. RDAP-first, WHOIS for the ccTLDs that need it, optional DNS pre-filter for bulk. one Go binary. JSON out, clean exit codes - drop it into any pipeline.
https://github.com/skorfmann/vacant
2026-04-25T08:35:52.359Z