With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dnsServerAddr
dns Server Address
1.3.6.1.4.1.9.5.1.13.2.1.1
The IP address of a DNS server.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor dnsServerAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.
