With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonHTTPStatsDNSQueryError
Round Trip Time Monitor HTTP Stats DNS Query Error
1.3.6.1.4.1.9.9.42.1.3.4.1.16
The number of requests that had DNS Query errors.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonHTTPStatsDNSQueryError 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.
