With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgdSourceAddList
Cisco Global Server Load Balancer DNS Source Add List
1.3.6.1.4.1.9.9.595.1.8.2.1.5
This object is used to associate a source address list with the DNS rule. Its value must be same as the value configured in cgdSourceAddressListTable. This object is mandatory for a row creation.
Back to CISCO-GSLB-DNS-MIB MIB page.
IPHost Network monitor allows you to monitor cgdSourceAddList 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.