From 5642614492f0ca2064c01d60cc33284cc2f731a9 Mon Sep 17 00:00:00 2001
From: Sebastiaan Provost <LeShadow@users.noreply.github.com>
Date: Fri, 3 Feb 2017 23:48:59 +0100
Subject: [PATCH] Backporting the changes made in #139 (#140)

* Backporting the changes made in https://github.com/egulias/EmailValidator/pull/139 so this functionality is also accessible in the 1.2.x releases.
This fix allows for more compliance with the DNS RFC. Explanation here: https://github.com/egulias/EmailValidator/pull/139/commits/08bac068c26edd210daa259a2819d7dfd7438091
---
 src/Egulias/EmailValidator/EmailValidator.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Egulias/EmailValidator/EmailValidator.php b/src/Egulias/EmailValidator/EmailValidator.php
index 4325dd7..69ff5fc 100644
--- a/src/Egulias/EmailValidator/EmailValidator.php
+++ b/src/Egulias/EmailValidator/EmailValidator.php
@@ -184,7 +184,10 @@ public function getThreshold()
      */
     protected function checkDNS()
     {
-        $mxRecordExists = checkdnsrr(trim($this->parser->getParsedDomainPart()), 'MX');
+        $host = $this->parser->getParsedDomainPart();
+        $host = rtrim($host, '.') . '.';
+
+        $mxRecordExists = checkdnsrr($host, 'MX');
 
         if (!$mxRecordExists) {
             $this->warnings[] = self::DNSWARN_NO_RECORD;