https://genesis-aka.net/language/japanese/japanese-it-domestic/2023/10/25/%e4%b8%89%e8%8f%b1ufj%e4%bf%a1%e8%a8%97%e3%80%81ntt%e3%83%87%e3%83%bc%e3%82%bf%e3%80%81%e5%af%8c%e5%a3%ab%e9%80%9a%e3%82%89%e3%80%81%e5%88%86%e6%95%a3%e5%9e%8bid%ef%bc%8f%e3%83%87%e3%82%b8%e3%82%bf/