With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcNameServerNotifyControlGroup
fc Name Server Notify Control Group
1.3.6.1.4.1.9.9.293.2.2.3
A collection of notification control and notification information objects for monitoring Name Server registrations/de-registrations.
Back to CISCO-NS-MIB MIB page.
IPHost Network monitor allows you to monitor fcNameServerNotifyControlGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.