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DNS servers Essay Topics & Paper Examples

DNS servers

Name resolution requests, such as navigating in studentserver. college. edu, can be initiated by both DNS clients and DNS servers. There are two ways to resolve queries in the FQDN: recursive (where the DNS client requires the DNS server to respond with the IP address of the request or an error message that the requested name does not exist) and iterative (which uses zone information and its cache to return the best possible answer to the client and can be referred to another DNS server). The process of resolving DNS to resolve the FQDN involves: 1. sending a recursive query to the local DNS server; 2. checking its local cache to determine whether the name has recently been resolved. If…