From ea64ec21acfdbc8867977dc135a24ea03a3133dc Mon Sep 17 00:00:00 2001
From: VVelox <vvelox@vvelox.net>
Date: Sun, 3 Jun 2018 04:29:06 -0500
Subject: [PATCH 1/2] a domain name is unlikely to be both a CNAME and A record

---
 src/Util/Network.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Util/Network.php b/src/Util/Network.php
index c1ea6e3547..2bc2203dd2 100644
--- a/src/Util/Network.php
+++ b/src/Util/Network.php
@@ -492,7 +492,10 @@ class Network
 
 		$h = substr($addr, strpos($addr, '@') + 1);
 
-		if (($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+		if (($h) && (dns_get_record($h, DNS_A + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+			return true;
+		}
+		if (($h) && (dns_get_record($h, DNS_CNAME + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
 			return true;
 		}
 		return false;

From 8875cc7419dae5d56c4d09e7d8321e5bfb1057c7 Mon Sep 17 00:00:00 2001
From: "Zane C. Bowers-Hadley" <vvelox@vvelox.net>
Date: Tue, 26 Jun 2018 05:03:45 -0500
Subject: [PATCH 2/2] remove duplicate check

---
 src/Util/Network.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Util/Network.php b/src/Util/Network.php
index 2bc2203dd2..c3ecaf6060 100644
--- a/src/Util/Network.php
+++ b/src/Util/Network.php
@@ -495,7 +495,7 @@ class Network
 		if (($h) && (dns_get_record($h, DNS_A + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
 			return true;
 		}
-		if (($h) && (dns_get_record($h, DNS_CNAME + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) {
+		if (($h) && dns_get_record($h, DNS_CNAME + DNS_MX)) {
 			return true;
 		}
 		return false;