My ISP (IONOS) resolved the incident. It affected many customers. I did not do anything… I couldn’t access my site at all to try!
I also heard from developer friend of mine GoDaddy sites were affected to.
My issue was caused by IONOS
They resolved it
ionos.com Status – Some websites are inaccessible
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This reply was modified 4 months ago by Chip Dyer.
And, there have been no changes to my wp-config.php file since July 25, 2025.