With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fspfLsrAdvDomainId
Cisco Fabric Shortest Path First Lsr Adv Domain Id
1.3.6.1.4.1.9.9.287.2.1.1.3
Domain Id of the switch that is advertising the LSR on the behalf of the switch owning it.
Back to CISCO-FSPF-MIB MIB page.
IPHost Network monitor allows you to monitor fspfLsrAdvDomainId on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.