AspDNS provides IP lookup and reverse host name lookup for known IP addresses.
Simple Lookup Example
The following code demonstrates how to use AspDNS from VBScript.
Set DNSLook = Server.CreateObject("AspDNS.Lookup")
strRes = DNSLook.DNSLookup ("mailhost.onramp.net")
Response.Write ("The IP Address of mailhost.onramp.net is " & strRes & ""
Please refer to the following URL for further details: