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@ 2014-06-27T02:48:56Z

<?php

if (checkdnsrr('gezlev.ru')) // or use ANY or for other see above link
{
    echo 'Domain exists';
}
else
{
    echo 'Domain does not exist';
}

Output
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References
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checkdnsrr: documentation ( source)

preferences:dark modelive preview

32.17 ms | 402 KiB | 5 Q