When Scavenging Occurs
The server stores a parameter called
StartScavenging
for each primary zone, which is
the time after which the zone is eligible for scavenging. A DNS
server performs a zone-scavenging pass only if the current time is
greater than StartScavenging
. (In addition,
scavenging must be enabled for the server and the zone, and dynamic
update must be enabled for the zone.) The
StartScavenging
parameter is set to the current
time plus the refresh interval of the zone when the following events
happen:
When scavenging is enabled for the zone
When dynamic update is enabled for the zone
When the zone is loaded
When the zone is resumed
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