What’s going on with Taiwan’s RDAP server?

RDAP is basically WHOIS, but machine-readable, with a lookup returning JSON, all served over HTTPS. rdap.org, the main redirector to individual RDAP servers, doesn’t hold the registration data itself, it simply.. redirects. It checks IANA’s bootstrap registry for an RDAP server and sends the request there with an HTTP 302. For example, this is the redirect for twnic.tw: $ hcurl 'https://rdap.org/domain/twnic.tw' HTTP/2 302 date: Mon, 09 Nov 2026 20:07:56 GMT content-type: text/html location: https://ccrdap.twnic.tw/tw/domain/twnic.tw Following the Location gets a JSON object from TWNIC (Taiwan’s national domain name registry). RDAP records can tell you whether a domain is active, which nameservers it uses, when it was registered or expires, and who the registrant is (whois!) For example, the output can contain some things like this for the RDAP result of twnic.tw: { "rdapConformance": ["rdap_level_0"], "objectClassName": "domain", "ldhName": "twnic.tw", "status": [ "server transfer…

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