With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDnsSecurityRcvdTsigBadSigs
Cisco Dns Security Received Tsig Bad Sigs
1.3.6.1.4.1.9.9.405.1.6.7
Total number of BADSIG errors received after sending a TSIG.
Back to CISCO-DNS-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor cDnsSecurityRcvdTsigBadSigs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.