The simplest interactive way of doing this is by means of nslookup utility. If you want to integrate this in a program, either you redirect command output to a file and scan it or get a specific utility (which I cannot point you to since I don't know any... )
It has also come to my mind that Ping command also translates URLs to corresponding IP addresses. It is also an interactive command, though maybe with an easier-to-decode output...
OK. I was ready go for Windows SDK. Is there any command suitable for that task ?
I tried to find a function in my online help (dated 19 Aug 1999) included in FDS v8.0.1 without any success. Is that online help really the latest one ?
Well, you will need to dig into Windows socket APIs to retrieve some informations about servers. You could probably find gethostbyname function useful for your needs: it is included in your version of SDK which seems to be the last one distributed with CVI. I seem to remember that the last revisions of Windows SDK (the ones covering XP and more) are not included in CVI distribution but they should be accessible on Microsoft MSDN site