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A DNS search domain is a specific type of domain name that is used to perform a DNS lookup. A DNS search domain is different from a hostname, which is the name that is displayed to a user when they type in a website address.

A DNS search domain is a specific type of domain name that is used to perform a DNS lookup. .

When you are trying to lookup a website address, your computer contacts the DNS server and asks it to look up the website address using its associated DNS search domain. The DNS server will then look up the website address using its associated DNS search domain and return the results to your computer.

Each website has a different DNS search domain. For example, the DNS search domain for the website www.google.com is google.com.

If you were trying to lookup the website address www.yahoo.com, your computer would contact the DNS server and ask it to look up the address using the yahoo.com DNS search domain.

The DNS search domain is important because it determines which domain name system (DNS) server your computer will contact to lookup the website address. For example, if you were trying to lookup the website address www.

com using the default DNS server for your computer, your computer would contact the DNS server for google.