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by keeperofdakeys 3528 days ago
To put it simply, yes. You have multiple NS records, and each points to a server that can act as an authoritative name server for your zone. When clients query for your zone from parent zones, they'll get all your name servers. The hard part is how you keep those name servers synchronised.

IIRC, bind has multiple built-in methods of keeping zone files synchronised between boxes.