Are underscores no longer supported in Bind 9.4?

Jake Morrisey jmorrisey71 at
Thu Mar 1 00:29:39 UTC 2007

Does bind 9.4 no longer support underscores (_) in the A records?
I know I have these in many records in versions before 9.4.
Here is the error that I am getting now.

Feb 28 18:29:54 t141 named[8767]: bad owner name (check-names)

As soon as I remove the A record with the underscore it in, everything is
fine and the zone loads.

Is this a new rule / RFC?


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