Understanding DNS Lookups

2773

13 years ago

Created by Audrey Lyman at RackAid

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This infographic from rackAID helps you to understand DNS (Domain Name System) lookups via an 8 step process. Step one is that your computers ask your router for a DNS record. Then your router asks your ISP (Internet Service Provider) for a DNS record, and your ISP asks the root server for a nameserver. The root server then gives your ISP the nameserver, and your ISP asks the nameserver for a DNS record, then the nameserver gives your ISP the DNS record. Your ISP then gives your router the DNS record, and your router gives your computer the DNS record.