This notification indicates that a DNS secondary server reached at least one of its configured masters and obtained a zone transfer. This notification is generated the first time sucessful zone transfer completed after a prior request for zone transfer failed because master server could not reached. The identity of the secondary server is given by cnrNotifDnsServerIpAddress or cnrNotifDnsServerIp6Address; the identity of the master servers is given by the cnrNotifDnsRemoteServersList; and the zone is given by cnrNotifZoneName object.