With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vtpDatabaseTable
vtp Database Table
1.3.6.1.4.1.9.9.46.1.8.1
This table contains information of the VTP databases. It is not instantiated when managementDomainVersionInUse is version1(1), version2(3) or none(3).
Back to CISCO-VTP-MIB MIB page.
IPHost Network monitor allows you to monitor vtpDatabaseTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.