ZoneresetScavengeservers using dnscmd

To set Scavenging servers for a zone on command prompt, do the following
1. Assume the dns server is "dnsserver" and zone is "myrootdns.com" and scavenging server ip address is 192.168.1.100.
dnscmd dnsserver /zoneresetscavengeservers myrootdns.com 192.168.1.100