We had our 3rd website redesign in 2 years. Usually, I go to our network solutions account and change the www A record to point to a new DNS (always new hosting). I than change the @ record to the same IP. And then I go to our internal DNS server (Windows 2000) and change the HOST record for www to the same IP.
THIS time, they told me to REMOVE the www A record. Then create a CNAME for www that points to @.
Then I put the new IP in for the @ record.
But I am not at all sure what to do with our internal DNS then. Any pointers would be greatly appreciated.