Internet Direct (Indy) Version 9.0.1 Beta
TSOARecord.Refresh
Zone refresh time interval.

property Refresh: Cardinal;
Description
Refresh is a read-only Cardinal property that represents the 32-bit time interval before the zone should be refreshed. Refresh is expressed in seconds.

Refresh is used to force distributed domain name service data to be refreshed at periodic intervals. The host server in Primary determines the Refresh interval, and secondary name servers and resolvers are responsible for performing the actions needed to refresh distributed DNS data.