From Around the Web: 20 Awesome Photos of Twitter リツイート

https://zenwriting.net/w4rvhtj147/properly-when-you-have-questioned-by-yourself-the-questions-above-visualize

So when a certain client is asking the server to determine a specific area name, the DNS area name method then does Verify if it has the ability for a website name, and if it does, the process doesnt need to cache