With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIsnsNumDds
Cisco iSNS Num Dds
1.3.6.1.4.1.9.10.116.1.1.2.1.1
The current total number of Discovery Domain Sets in this iSNS instance. This is the number of rows in the cIsnsSrvrDdsTable.
Back to CISCO-IETF-ISNS-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cIsnsNumDds 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.
