diff --git a/test-utility.sh b/test-utility.sh
index 9968007..7c87482 100755
--- a/test-utility.sh
+++ b/test-utility.sh
@@ -10,11 +10,11 @@ function test {
 
 	echo "TRYING IPv4 $SERVER (DNS-over-TLS, $SERVER4)"
 	IP4_ADDR="$(kdig @$SERVER4 +noall +short +tls-ca +tls-host=$SERVER +tls-sni=$SERVER -t A whoami.v4.powerdns.org)"
-	echo "$IP4_ADDR ($(dig +short -x $IP4_ADDR))"
+	echo "$IP4_ADDR ($(dig +short -x $IP4_ADDR 2>/dev/null))"
 
 	echo "TRYING IPv6 $SERVER (DNS-over-TLS, $SERVER6)"
 	IP6_ADDR="$(kdig @$SERVER6 +noall +short +tls-ca +tls-host=$SERVER +tls-sni=$SERVER -t AAAA whoami.v6.powerdns.org)"
-	echo "$IP6_ADDR ($(dig +short -x $IP6_ADDR))"
+	echo "$IP6_ADDR ($(dig +short -x $IP6_ADDR 2>/dev/null))"
 
 	echo ""
 }