close #114 Custom NS for a subdomain

allow any NS

app/models/ns.rb

@@ -21,7 +21,7 @@
 #
 class NS < Record
   validates :name, :hostname => {:allow_underscore => true}
-  validates :content, :presence => true, :hostname => true, :inclusion => {:in => Settings.ns}
+  validates :content, :presence => true, :hostname => true #, :inclusion => {:in => Settings.ns}
 
   def to_label; "#{content}" end
 end