diff --git a/lib/valid_email2/email_validator.rb b/lib/valid_email2/email_validator.rb
index a88f77f..d9fd3e5 100644
--- a/lib/valid_email2/email_validator.rb
+++ b/lib/valid_email2/email_validator.rb
@@ -44,7 +44,7 @@ def validate_each(record, attribute, value)
       end
 
       if options[:disposable_with_allow_list]
-        error(record, attribute, :disposable_with_allow_list) && return if addresses.any? { |address| address.disposable? && !address.allow_listed? }
+        error(record, attribute, :disposable_with_allow_list) && return if addresses.any? { |address| !address.allow_listed? && address.disposable? }
       end
 
       if options[:disposable_domain_with_allow_list]
diff --git a/spec/valid_email2_spec.rb b/spec/valid_email2_spec.rb
index 70cca55..eae6184 100644
--- a/spec/valid_email2_spec.rb
+++ b/spec/valid_email2_spec.rb
@@ -297,6 +297,14 @@ def set_allow_list
         expect(user.valid?).to be_truthy
       end
 
+      it "does not look up MX servers if the domain is in the allow list" do
+        File.open(allow_list_file_path, "w") { |f| f.write ["gmail.com"].to_yaml }
+        set_allow_list
+        expect_any_instance_of(ValidEmail2::Dns).not_to receive(:mx_servers)
+        user = TestUserDisallowDisposableWithAllowList.new(email: "foo@gmail.com")
+        expect(user.valid?).to be_truthy
+      end
+
       it "is invalid if the domain is a disposable_domain and not in the allow list" do
         user = TestUserDisallowDisposableDomainWithAllowList.new(email: "foo@#{allow_list_domain}")
         expect(user.valid?).to be_falsey