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3.4 Optional columns

Each of these columns is optional.

If these columns exist, MyDNS will notice this and enable additional code specific to each optional field.

If you add any of these fields to your database, you must signal MyDNS to rescan the tables by sending it a SIGHUP signal (see section 4.2 Signals).

3.4.1 any.active  Activating and deactivating individual rows.
3.4.2 soa.xfer  Zone transfer access rules.