use same dns server

.github/scripts/qnx_tests.sh

@@ -20,9 +20,9 @@ echo "   * arestest suite"
 ./arestest www.google.com --gtest_filter="-*LiveSearchTXT*:*LiveSearchANY*:*ServiceName*"
 echo ""
 
-echo " * Changing DNS Configuration and rerunning adig and ahost"
-
-setconf resolve nameserver_1.1.1.1
+nsip=`grep ^nameserver /etc/resolv.conf | head -n 1 | cut -d ' ' -f 2`
+echo " * Changing DNS Configuration to use confstr(resolve, ${nsip}) and rerunning adig and ahost"
+setconf resolve nameserver_${nsip}
 rm -f /etc/resolv.conf
 
 echo ""