Change DNS (windows server) ; math IP with domain

I have a windows server 2003 and the Ip of server is :74.62.x.x . and now i buy a .com domain . and now i want match the ip with domain . what am i going to do ? Thanks in Advance

From serverfault Jessica

• You can create an "A" record under the SOA for your domain. Your registrar (where you purchased your domain) is a good starting point in sorting that out.

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