rdap is nice when it's available. cargo install icann-rdap-cli rdap -O json ycombinator.com| jq .nameservers (or brew install, etc., depending on your

rdap is nice when it's available. cargo install icann-rdap-cli rdap -O json ycombinator.com| jq .nameservers (or brew install, etc., depending on your os and tooling). The jq formatted output is a little more verbose than the whois one, but three cheers for a well-specified machine-parsable format. (and rdap has a pretty-printed format output also)