diff --git a/README.md b/README.md
index 0d520fd..bb7a744 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,7 @@ V::lang('ar');
  * `notIn` - Negation of `in` rule (not in array of values)
  * `ip` - Valid IP address
  * `email` - Valid email address
+ * `emailDNS` - Valid email address with active DNS record
  * `url` - Valid URL
  * `urlActive` - Valid URL with active DNS record
  * `alpha` - Alphabetic characters only
diff --git a/tests/Valitron/ValidateTest.php b/tests/Valitron/ValidateTest.php
index adf296e..d599cb6 100644
--- a/tests/Valitron/ValidateTest.php
+++ b/tests/Valitron/ValidateTest.php
@@ -560,6 +560,18 @@ class ValidateTest extends BaseTestCase
         $this->assertFalse($v->validate());
     }
 
+    public function testEmailDnsValid(){
+        $v = new Validator(array('name' => 'Chester Tester', 'email' => 'chester@tester.com'));
+        $v->rule('emailDNS', 'email');
+        $this->assertTrue($v->validate());
+    }
+
+    public function testEmailDnsInvalid(){
+        $v = new Validator(array('name' => 'Chester Tester', 'email' => 'chester@tester.zyx'));
+        $v->rule('emailDNS', 'email');
+        $this->assertFalse($v->validate());
+    }
+
     public function testUrlValid()
     {
         $v = new Validator(array('website' => 'http://google.com'));