https://net.nthu.edu.tw/netsys/ 2026-04-13T11:09:06+08:00 https://net.nthu.edu.tw/netsys/ https://net.nthu.edu.tw/netsys/_media/wiki:favicon.ico text/html 2010-02-23T14:35:01+08:00 https://net.nthu.edu.tw/netsys/service:dns:check DNS 相關檢測工具 DNS 1. DNS 檢測網站 * TWNIC DNS 檢測服務 * intoDNS: checks DNS and mail servers health 2. DNS 檢測工具 * doc: diagnose unhealthy DNS domains Doc is an automated tool for erifying (to an extent) that a domain is configured and functioning correctly. It makes no attempt to validate the data inside a domain, only the structure. The only required parameter is the valid domain name of an existing domain.