From 68ba08463aa38e9b02d81ed70f3bd06eff776ba5 Mon Sep 17 00:00:00 2001
From: David Flatz
Date: Mon, 27 Jun 2022 11:02:07 +0200
Subject: suppress errors of dns_get_record but retry to maybe work around
 temporary problems

---
 it.class | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'it.class')

diff --git a/it.class b/it.class
index e634d44..5797e75 100644
--- a/it.class
+++ b/it.class
@@ -443,10 +443,13 @@ static function is_private_ip($host)
 	else
 	{
 		$ips = [];
-		foreach (dns_get_record($host, DNS_A) as $record)
-			$ips[] = $record['ip'];
-		foreach (dns_get_record($host, DNS_AAAA) as $record)
-			$ips[] = $record['ipv6'];
+		foreach ([DNS_A, DNS_AAAA] as $type)
+		{
+			$records = false;
+			for ($try = 0; $try < 3 && $records === false; $try++)
+				foreach ((array)($records = @dns_get_record($host, $type)) as $record)
+					$ips[] = $record[$type == DNS_A ? 'ip' : 'ipv6'];
+		}
 	}
 
 	foreach ($ips as $ip)
-- 
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