Internet Direct (Indy) Version 9.0.2 Beta
TSOARecord.Primary
Domain name of the primary name server for this zone.

property Primary: string;
Description
Primary is a read-only String property that represents the domain name of the name server that was the original or primary source of data for this zone. Primary is the host server where any changes to the DNS master file are coordinated for any resources in the zone.

Secondary name servers and resolver will periodically monitor the server identified in Primary for changes to the TSOARecord for the name server.