Search results for: "DNS"

What are the best practices for handling DNS resolution within PHP requests to avoid delays?

DNS resolution delays can impact the performance of PHP requests. To avoid delays, it's recommended to use an external DNS resolver like Google's Publ...

Are there any best practices for using PHP to gather information about DNS servers?

To gather information about DNS servers using PHP, one best practice is to use the `dns_get_record()` function, which retrieves various types of DNS r...

What are common reasons for incorrect reverse DNS entries causing issues with hostname lookup in PHP?

Incorrect reverse DNS entries can cause issues with hostname lookup in PHP because the reverse DNS lookup may not match the forward DNS entry for the...

Are there any best practices for handling dynamic DNS updates in PHP applications?

When handling dynamic DNS updates in PHP applications, one best practice is to use a library like `php-dyndns` that provides a simple and secure way t...

What potential issues or limitations are there when using PHP to query DNS records?

One potential issue when using PHP to query DNS records is that the DNS functions in PHP are limited and may not provide all the information needed. T...