3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if (checkdnsrr('gmail.com')) { echo 'yes'; } else { echo 'no'; }
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.10
no