GitHub - yswery/PHP-DNS-SERVER: An Authoritative DNS Server written purely in PHP
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GitHub - iSurcouf/Simple-DNS-Lookup: PHP DNS Lookup script
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nslookup - Wikipedia
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How to change PHP version and update PHP extensions on Shared servers - Hosting - Namecheap.com
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How to perform DNS lookup on a domain name in PHP? - Learn Coding Online - CodingPanel.com
PfSense Logging DNS Forwarder - YouTube
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