Site not reachable. Correct DNS setting?

Our site is hosted in Germany at 1Blu. Our domain is deldeli. It is secured with “Let’s Encrypt” and we could always reach the site with https://deldeli.com

To improve the accessibility from other countries, we have signed up with Cloudflare and have listed the domain 24 hours ago and changed the DNS server entries for N1 and N2 to the ones assigned to us by Cloudflare.

We have also added the following A-records at Cloudflare:

Now, the site (and all subdomains) can’t be reached anymore. We have tested with GT METRIX and PINDOME and other services also.

What could be the problem?

You are using Flexible SSL, right?

This one should help you to get this solved: