With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDnsHaIntResponseServFailCnts
Cisco Dns Ha Interval Response Server Fail counts
1.3.6.1.4.1.9.9.405.1.13.21
Number of HA responses reporting a server failure error during reporting interval.
Back to CISCO-DNS-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor cDnsHaIntResponseServFailCnts 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.
