DNS Scavenging

Hi ALl,

We have windows 2008 domain controller's in our domain... We have set the scavengin on zone for 36 Hrs refresh and non-refresh intervals.. and our DHCP Scope lease is for 3 days i.e. 72 hours...

I would like to know if a client has received a IP address from DHCP... That IP will be assigned to client for 3 days...as per DHCP Lease.. So I would like to know when will be the Scavenging take place after every 3 days or after every 36 hrs..?

Thanks

Thanks HA