With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cssgServiceDNSPrimary
cssg Service DNS Primary
1.3.6.1.4.1.9.9.260.1.3.1.1.8
The primary DNS server for this service.
Back to CISCO-SSG-MIB MIB page.
IPHost Network monitor allows you to monitor cssgServiceDNSPrimary on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.