SNAGHTML1aaf7885In Windows 7 and 2008 R2 all IP Addresses are by default registered in DNS.

If you don’t want certain IP addresses to appear in DNS you can alter this behavior with Netsh using the skipassource flag.

Use the following syntax to add an additional IP Address with skipassource flag:

If you want to check if the skipassource flag is set, you can use the following syntax: