I have a scenario where a vpn can be reached trough two different ips, but the vpn is configured to use the record vpn.thedomain.com
The scenario is that we have a primary ip to use, when the provider goes down, we need to use the other ip.
The zone is hosted with Microsoft DNS Server (windows 2012 R2).
Is there a program that can be checking (may be via SNMP) the primary ip and when it comes down make a DNS record update to the secondary ip (alternate provider)?
I know that the proper way to handle this issue should be different than trying to use the DNS for this purpose, but due to technical limitations at the site, those are not possible at the moment.
Thanks for your ideas!