Output NS records for reverse zone
Output NS records for reverse zone

The reverse zones generated by palletjack2zone didn't contain any NS records.
Output the same NS servers as for the forward zone.

creideiki/palletjack,creideiki/palletjack,saab-simc-admin/palletjack,notCalle/palletjack,saab-simc-admin/palletjack,notCalle/palletjack