Hello Community,
we do have 2 Domain Controllers with Sophos UTM Cluster.
The Domain Controllers handle DNS Services and are used by the UTM to work with DNS Hosts.
We do work with DNS Host Definitions and i recently moved a Host from one VLAN to another, therefore the IP address has changed.
After a reboot of the corresponding machine the DNS Record has been successfully updated on the Domain Controllers and i verified that the new entry has its 15Min TTL Property.
I waited the whole night but the Firewall was still resolving the Host with its old IP, i had to manually clear the resolver cache for the UTM to Update the Record.
Shouldn´t this be some sort of automatic process, am i missing something ?
Thanks
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