1 files changed, 9 insertions, 1 deletions
diff --git a/lib/resolv.rb b/lib/resolv.rb
index 7855c6eeb8..dee6afd1f5 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -1183,7 +1183,7 @@ class Resolv
         end
 
         def ==(other)
-          return @downcase == other.downcase
+          return self.class == other.class && @downcase == other.downcase
         end
 
         def eql?(other)
@@ -1219,6 +1219,14 @@ class Resolv
       end
 
       def initialize(labels, absolute=true) # :nodoc:
+        labels = labels.map {|label|
+          case label
+          when String then Label::Str.new(label)
+          when Label::Str then label
+          else
+            raise ArgumentError, "unexpected label: #{label.inspect}"
+          end
+        }
         @labels = labels
         @absolute = absolute
       end