Secondary Zones: How Does Reason for Last Failure Get Updated?

For more information on how a Primary IP for a Secondary Zone is tested, see How Do Secondary Zones Update and What Kinds of Zone Transfers Are Used?

Results of of AXFR Checks are processed in the following manner:

1. If the Primary IP is successful, no further checks are done on additional IP's
2. If the Primary IP fails
   1. The reason will be posted to the UI at Domains > <domain> --> Secondary Information > Reason for Last Failure
   2. Zone transfer failure email will sent to the the Notification Email (or user that added the zone, in cases where Notification Email has not been configured)
   3. Continue to Backup Primary IP (assuming one is configured)
3. If the Backup Primary IP is successful, no further checks are done on additional IP's
4. If the Backup Primary IP fails
   1. The reason will be posted to the UI at Domains > <domain> --> Secondary Information > Reason for Last Failure, overwriting the entry for the Primary IP failure
   2. Zone transfer failure email will sent to the the Notification Email (or user that added the zone, in cases where Notification Email has not been configured)
   3. Continue to 2nd Backup Primary IP (assuming one is configured)
5. If the 2nd Backup Primary IP is successful, no further checks are done on additional IP's
6. If the 2nd Backup Primary IP fails
   1. The reason will be posted to the UI at Domains > <domain> --> Secondary Information > Reason for Last Failure, overwriting the entry for the Backup Primary IP failure
   2. Zone transfer failure email will sent to the the Notification Email (or user that added the zone, in cases where Notification Email has not been configured)