The last time I needed an update was during a power outage. On restart I got an IP, but for some reason (1000 of subscribers powering up at the same time?), it changed 9 minutes later. Than my provider return a fail to DNS-O-MATIC with the comment:
TOOSOON Increase your time between updates to 600 seconds or more.
I generally do not need an update for months, IPs are very stable, but when it changes it is exactly the time that we need to updated it correctly as quickly as possible. Otherwise the whole thing is pointless. I could log into my DNS provider and update it manually.
Since the update to DNS-O-MATIC is done correctly, There is no feedback to the original IP script that a problem occurred. Without a retry, this is a huge problem.
My router, a dd-wrt firmware, can normally do an update once a day. But this is inadequate to fix this problem. But I found a command line option "--forced_update_period 1800" that force an update every half hours. So now there is 48 times more communication to fix a problem that could be solve by more adapted update tools. The major part of the problem is my DNS provider insisting on this delay even if it happens once a month (they are also getting 48 times more communication).
A retry on fail (especially with the error TOOSOON) would be a huge improvement, and people would not need to do multiple update a day to fix this problem.
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