Unable to access the website when DigitalOcean DNS extension is used: DNS_PROBE_FINISHED_NXDOMAIN

Symptoms

• Unable to access the example.com Plesk hosted website with the error below:

  DNS_PROBE_FINISHED_NXDOMAIN

• The DigitalOcean DNS extension is used for DNS synchronization. 

• The following error can be found in var/log/plesk/panel.log file:

  ERR [extension/digitaloceandns] Unable to get digital ocean records due to Operation timed out after 5000 milliseconds with 0 out of -1 bytes received

  ---

  ERR [extension/digitaloceandns] The zone example.com is removed too long ...

Cause

Not sufficient timeout for PHP cURL function.

This behavior is also considered as a DigitalOcean DNS extension bug with ID #EXTPLESK-980, which will be fixed in the future extension update releases.

Resolution

Until the bug will be fixed, apply the workaround below:

1. Log into the server via SSH.

2. Create a backup for the /usr/local/psa/admin/conf/php.ini configuration file:

   # cp -a /usr/local/psa/admin/conf/php.ini{,.bak}

3. Using the vi text editor open the /usr/local/psa/admin/conf/php.ini file:

4. Add the line below to change the value for default_socket_timeout parameter and save the changes:

   default_socket_timeout = 600

5. Restart Plesk service:

   # service psa restart