With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mgcName
mgc Name
1.3.6.1.4.1.351.150.10.1.2.1.1.2
Denotes the name of the media gateway controller. This corresponds to a domain name under which the MGC could also be registered in a DNS. Once the row has become active, this value may not be modified.
Back to CISCO-WAN-MG-MIB MIB page.
IPHost Network monitor allows you to monitor mgcName 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.