The Registration Data Access Protocol (RDAP) is the successor to WHOIS, which is being sunsetted on 28 January 2025.
ICANN implementation of the Registry Data Access Protocol (RDAP) - icann/icann-rdap
$ rdap rumbly.net -O gtld-whois
jrdap --help
Warning: To load an ES module, set "type": "module" in the package.json or use the .mjs extension.
sudo mv /usr/local/bin/jrdap /usr/local/bin/jrdap.mjs
.ws