How to Detect Specific Types of DNS Records Using the dns_check_record Function? A Practical Guide

When performing website operations, security checks, or domain configurations, it is often necessary to verify whether a specific domain contains particular types of DNS records. The built-in PHP function dns_check_record() allows you to perform such checks with ease.

4. Notes

• This function may behave slightly differently across operating systems, especially in Windows environments, where it is important to ensure that the system supports the corresponding DNS functionality.
• The return value of the function only indicates the presence of a record, not the actual record values. To retrieve detailed information, you can use dns_get_record().

5. Conclusion

dns_check_record() is a lightweight and practical tool, ideal for quickly verifying whether a domain contains a specific type of DNS record. Whether for website maintenance, email server validation, or security checks, this function provides convenient support for various tasks.