關於「Google dns tool」標籤，搜尋引擎有相關的訊息討論：

Public DNS - Google Developersdevelopers.google.com › speed › public-dnsGoogle Public DNS and Location-Sensitive DNS Responsesdevelopers.google.com › ... › Google Search Central BlogDig (DNS lookup) - Google Apps Toolboxtoolbox.googleapps.com › apps › digCloud DNScloud.google.c