bookmark_border​How to check DNS records using PHP

PHP is a very useful programming language, and you can use it, instead of the built-in commands like the Dig command, for querying DNS records. Do you want to know how to check DNS records using PHP? It is a simple process, and there are different PHP functions that you can use. Let’s see them.

​PHP functions for checking DNS records

There are several functions that can be used for checking DNS records. For example, some can check just if the DNS records exist, others serve for only a specific type of DNS record, and others can show any type.

  • checkdnsrr() – This query will see if DNS records exist for the host (hostname or IP address).
  • dns_get_record() – Get the DNS record for the host (hostname or IP address). It could be any type of DNS record.
  • getmxrr() – Get the MX DNS records only, for the host (hostname or IP address).

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bookmark_borderBest way to get hostname with PHP

Sometimes you have a PHP application and multiple devices, and you need a fast and reliable way to get the hostname of a server. If that is your case, here you will learn the best way to get a hostname with PHP. You can find it if you know the IP address or the local machine is the host.

Gethostbyaddr() PHP function

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