{"id":"website:u-tokyo.ac.jp","type":"website","target":"u-tokyo.ac.jp","checkedAt":"2026-07-26T15:28:28.382Z","status":"down","summary":"Unreachable by every probe method","probes":[{"probe":"h1-strict","label":"HTTP/1.1 · strict TLS","id":"h1-strict","name":"HTTP/1.1 · strict TLS","status":"down","responseTimeMs":181,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"h2-relaxed","label":"HTTP/2 · relaxed TLS","id":"h2-relaxed","name":"HTTP/2 · relaxed TLS","status":"down","responseTimeMs":60,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"browser-ua","label":"GET · browser UA","id":"browser-ua","name":"GET · browser UA","status":"down","responseTimeMs":1,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"curl-head","label":"HEAD · curl UA","id":"curl-head","name":"HEAD · curl UA","status":"down","responseTimeMs":1,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"}],"regions":[{"probe":"h1-strict","label":"HTTP/1.1 · strict TLS","id":"h1-strict","name":"HTTP/1.1 · strict TLS","status":"down","responseTimeMs":181,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"h2-relaxed","label":"HTTP/2 · relaxed TLS","id":"h2-relaxed","name":"HTTP/2 · relaxed TLS","status":"down","responseTimeMs":60,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"browser-ua","label":"GET · browser UA","id":"browser-ua","name":"GET · browser UA","status":"down","responseTimeMs":1,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"},{"probe":"curl-head","label":"HEAD · curl UA","id":"curl-head","name":"HEAD · curl UA","status":"down","responseTimeMs":1,"statusCode":null,"error":"blocked: getaddrinfo EBUSY u-tokyo.ac.jp"}],"timings":{"totalMs":61},"network":{"host":"u-tokyo.ac.jp","port":443,"transport":"https"},"tls":null,"protocolData":{"httpStatus":null},"providerHints":{"name":"University of Tokyo","category":"education","country":"JP","chain":[],"nature":"transport","notes":["All regions failed before getting an HTTP response. This suggests a DNS, TLS, or connection-layer issue rather than an application error."],"confidence":"low"},"sharePath":"/check/u-tokyo.ac.jp","seo":{"title":"Is University of Tokyo down? Live status & outages — isitdown.io","description":"University of Tokyo down? Check if University of Tokyo is down for everyone or just you — right now. Real-time uptime checks from US, Europe & Asia. Free.","canonical":"https://isitdown.io/check/u-tokyo.ac.jp","ogImage":"https://isitdown.io/og/u-tokyo.ac.jp.png"}}