diff --git a/is_email.php b/is_email.php
index 21e0629..c708bcd 100755
--- a/is_email.php
+++ b/is_email.php
@@ -1120,7 +1120,7 @@
 				$return_status[]	= ISEMAIL_DNSWARN_NO_MX_RECORD;		// MX-record for domain can't be found
 				$result			= @dns_get_record($parsedata[ISEMAIL_COMPONENT_DOMAIN], DNS_A + DNS_CNAME);
 
-				if (count($result) === 0)
+				if (($result === false) || (count($result) === 0))
 					$return_status[] = ISEMAIL_DNSWARN_NO_RECORD;		// No usable records for the domain can be found
 			} else $dns_checked = true;
 		}