Generate zone files when the domain is delegated.

src/storage.cr

@@ -108,7 +108,7 @@ class DNSManager::Storage
 		zone = zone_must_exist! domain
 
 		if delegation = zone.delegation
-			Baguette::Log.info "zone #{domain} is delegated"
+			zone.update_delegation @delegationdir
 			return
 		end
 
@@ -361,8 +361,7 @@ class DNSManager::Storage
 		zone.update_serial
 		zones_by_domain.update_or_create zone.domain, zone
 
-		# Do not generate a bind9 file if the zone is delegated.
-		generate_bind9_zonefile zone.domain unless zone.delegation
+		generate_bind9_zonefile zone.domain
 	end
 
 	def update_rr(user_id : UserDataID, domain : String, rr : Zone::ResourceRecord) : IPC::JSON