With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDnsServConfigReset
Cisco Dns Server Config Reset
1.3.6.1.4.1.9.9.405.1.1.5
Status/action object to reinitialize any persistant name server state. When set to reset(2), any persistant name server state (such as a process) is reinitialized as if the name server had just been started. This value will never be returned by a read operation. When read, one of the following values will be returned: other(1) - server in some unknown state; initializing(3) - server (re)initializing; running(4) - server currently running.
Back to CISCO-DNS-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor cDnsServConfigReset on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.