Refactored DNS provider data structures

internal/models/alias.go

@@ -5,8 +5,8 @@ type (
 	VPNDevice string
 	// DNSProvider is a DNS over TLS server provider name
 	DNSProvider string
-	// DNSForwardAddress is the Unbound formatted forward address
-	DNSForwardAddress string
+	// DNSHost is the DNS host to use for TLS validation
+	DNSHost string
 	// PIAEncryption defines the level of encryption for communication with PIA servers
 	PIAEncryption string
 	// PIARegion contains the list of regions available for PIA

internal/models/dns.go

@@ -0,0 +1,10 @@
+package models
+
+import "net"
+
+// DNSProviderData contains information for a DNS provider
+type DNSProviderData struct {
+	IPs         []net.IP
+	SupportsTLS bool
+	Host        DNSHost
+}