BIND8 was adding glue NS records to parent zones

[Mark Andrews]

> Hello,
> 
> when we were using BIND87, we have notriced that NS records from zones were
> added to parent zones as glue (at lease when both zones were master), e.g.
> NS records for 0.168.195.in-addr.arpa were added to 168.195.in-addr.arpa.
> This way we didn't have to maintain glue records
> (I know it's not correct but it was easy and worked...)
> 
> With upgrade to BIND9 this functionality disappeared. I was searching for
> any information about this but I was unlycky. Can anyone point me to where
> is this documented (if it is?)

	doc/misc/migration.
 
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> Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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> 
> 
-- 
Mark Andrews, ISC
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