What Will FB 分享 Be Like in 100 Years?
http://travisdnfc080.huicopper.com/the-no-1-question-everyone-working-in-fb-fen-xiang-should-know-how-to-answer
Having said that, if it's no authority for a domain title, the DNS domain identify program then checks its cache if the area name continues to be resolved at this time, and when yes, the DNS area identify method