diff --git a/lib/legitbot/validators/domains.rb b/lib/legitbot/validators/domains.rb
index be1e25b..7308685 100644
--- a/lib/legitbot/validators/domains.rb
+++ b/lib/legitbot/validators/domains.rb
@@ -64,6 +64,8 @@ def reverse_ip(record)
           return nil if record.nil?
 
           resolver.getaddress(record.to_s).to_s
+        rescue Resolv::ResolvError
+          nil
         end
       end
     end