Letsencrypt fails to verify it checks too fast gets 404 from .well-known/acme-challenge/

Hi Letsencrypt shows a 404 response from .well-known/acme-challenge/L2RBVW1bBO62iUzpnJCMnmp4K0gfASepbfEm_gWor5Y
But then I visit the link in my browser and get a valid response with the code.

Is there any way I can delay letsencrypt checking? Not sure whats going on but do know that if they waited a second before checking then yep its there to be verified.