All my users visiting from Nigeria and using a mobile network called MTN cannot access my website: https://crackit.com.ng. It returns Error 523 for them. This is quite unfortunate since the majority of my users use that mobile network.
When I turn the DNS to the grey DNS Only; without the yellow cloud… meaning direct connection to my origin, the same users do not have problem visiting my website.
Can you please help me in fixing this issue? I have set the DNS correctly.
Please find the attached image… I don’t seem to be able to reach support directly. Any idea?