DNS A record update, but still resolving to old IP

[fritex]

Greetings,

Thank you for asking.

May I ask if you used some hosting provider to enable and integrate Cloudflare for your domain name as a SaaS like Kinsta, WPEngine, eZoic, etc.?

If yes, could you ask them to check just in case if there is some CNAME record / hostname for your domain name at their side left?
It knows to be an issue when we use some hosting providers which enable SaaS for our domain name/website.
Kindly, ask them to re-check this and remove/delete if so.
Furthermore, I’d suggest you to follow the instructions from the article below as they are related to any SaaS integrator:

FAQ: Having difficulties transferring domain to Shopify

If you are attempting to onboard onto Shopify and find you are blocked from doing so, it may be that this stems from your having used another SaaS platform in the past that also made use of Cloudflare. Here are the steps to unblock yourself: Reach out to your prior SaaS platform and ask them to remove your domain from their systems. If #1 is not successful, please open up a support ticket with Shopify asking them to open up a support ticket with Cloudflare to remove your domain from your prio…