With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDnsHaIntMsgZoneSyncRcvdCnts
Cisco Dns Ha Interval Message Zone Sync Received counts
1.3.6.1.4.1.9.9.405.1.13.14
Number of HA zone synchronization messages received during reporting interval.
Back to CISCO-DNS-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor cDnsHaIntMsgZoneSyncRcvdCnts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.