View: How to check an IP address against blacklists using PHP

1. How to check an IP address against blacklists using PHP
   6 months ago by spirit
   1. function isBlacklisted($ip){
   2.      $check = join('.',array_reverse(explode('.',$ip))).'.xbl.spamhaus.org.';
   3.      return dns_check_record($check,'A');
   4. }
   blacklistdnsipphpspam
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