Question : scavenging on dns

I need to enable scavenging on my dns server to remove stale records. I am looking for good documentation on this process, I want to make sure only stale records are properly removed and I do not remove legitimate records.

Answer : scavenging on dns

Here's good article from Microsoft...

http://blogs.technet.com/networking/archive/2008/03/19/don-t-be-afraid-of-dns-scavenging-just-be-patient.aspx