With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mgcDnsResolutionFlag
mgc Dns Resolution Flag
1.3.6.1.4.1.351.150.10.1.5.1.1.7
All entries statically configured by the customer (i.e. all entries in the top half of the table) will have the flag set to 'internal'. All IP addresses obtained due to external resolution of the domain name (that is, entries in the bottom half of the table) will have this flag set to 'external'.
Back to CISCO-WAN-MG-MIB MIB page.
IPHost Network monitor allows you to monitor mgcDnsResolutionFlag on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.
