Changed folder structure, added explicit nullable for extensions.

Extensions/Cloudflare.Zones/Models/ZoneDnsSetting.cs

@@ -0,0 +1,59 @@
+namespace AMWD.Net.Api.Cloudflare.Zones
+{
+	/// <summary>
+	/// The DNS settings.
+	/// </summary>
+	public class ZoneDnsSetting
+	{
+		/// <summary>
+		/// Whether to flatten all CNAME records in the zone. Note that, due to DNS limitations,
+		/// a CNAME record at the zone apex will always be flattened.
+		/// </summary>
+		[JsonProperty("flatten_all_cnames")]
+		public bool FlattenAllCnames { get; set; }
+
+		/// <summary>
+		/// Whether to enable Foundation DNS Advanced Nameservers on the zone.
+		/// </summary>
+		[JsonProperty("foundation_dns")]
+		public bool FoundationDns { get; set; }
+
+		/// <summary>
+		/// Whether to enable multi-provider DNS, which causes Cloudflare to activate the zone even when non-Cloudflare NS records exist,
+		/// and to respect NS records at the zone apex during outbound zone transfers.
+		/// </summary>
+		[JsonProperty("multi_provider")]
+		public bool MultiProvider { get; set; }
+
+		/// <summary>
+		/// Settings determining the nameservers through which the zone should be available.
+		/// </summary>
+		[JsonProperty("nameservers")]
+		public Nameserver? Nameservers { get; set; }
+
+		/// <summary>
+		/// The time to live (TTL) of the zone's nameserver (NS) records.
+		/// </summary>
+		// 30 <= X <= 86400
+		[JsonProperty("ns_ttl")]
+		public int NameserverTtl { get; set; }
+
+		/// <summary>
+		/// Allows a Secondary DNS zone to use (proxied) override records and CNAME flattening at the zone apex.
+		/// </summary>
+		[JsonProperty("secondary_overrides")]
+		public bool SecondaryOverrides { get; set; }
+
+		/// <summary>
+		/// Components of the zone's SOA record.
+		/// </summary>
+		[JsonProperty("soa")]
+		public StartOfAuthority? SOA { get; set; }
+
+		/// <summary>
+		/// Whether the zone mode is a regular or CDN/DNS only zone.
+		/// </summary>
+		[JsonProperty("zone_mode")]
+		public ZoneMode Mode { get; set; }
+	}
+}