Internal Server Error on checkdnsrr

Apr 9, 2021
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When using checkdnsrr I get an Internal Server error.

I am using PHP RPM on IBM i.

Has anyone seen this error and could give me information on how to address it?

if(checkdnsrr($domain,"MX")) {
echo "Passed";
} else {
echo "Failed";
Error received when running scrip:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Contact the server administrator at [no address given] to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.

Error Log:
[Fri Apr 09 09:11:14.699000 2021] [zend_enabler:error] [pid 8012:tid 00000033] Can not read response from /QOpenSys/pkgs/bin/php-cgi (0.0) - [0] There is no error.


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