Renewal certificate

[IsabelleM]

Hi thanks for your help, i'm french so use simply words please

My domain is: monfare-argeles.fr

I ran this command: I did not run a command, I just clicked the regenerate button

It produced this result:
Unable to generate SSL/TLS certificate for monfare-argeles.fr
Details
Unable to issue Let's Encrypt SSL/TLS certificate for monfare-argeles.fr. Authorization failed for the domain.
Details Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz-v3/409305324127.

Details: Type: urn:ietf:params:acme:error:dns Status: 400 Detail: During secondary validation: DNS problem: SERVFAIL looking up A for monfare-argeles.fr - the domain's nameservers may be malfunctioning; DNS problem: SERVFAIL looking up AAAA for monfare-argeles.fr - the domain's nameservers may be malfunctioning

My web server is (include version):

The operating system my web server runs on is (include version):

My web host, if any, is: Ikoula

I can log in to a root shell on my machine (yes or no, or I don't know): I don't know

I use a control panel to manage my site (no, or provide the name and version of the control panel): Plesk

My client version is (e.g. the output of certbot --version or certbot-auto --version if you use Certbot): I don't know, I don't have access

[bruncsak]

@IsabelleM , welcome to the community!

The DNS servers at Cloudflare are refusing to answer DNS queries for monfare-argeles.fr. You may want to check your DNS configuration.

[MikeMcQ]

Here is more info about your DNS configuration problem

.fr to monfare-argeles.fr: The following NS name(s) were found in the delegation NS RRset (i.e., in the fr zone), but not in the authoritative NS RRset: linheb04.ikoula.com

See this test site: monfare-argeles.fr | DNSViz

It looks like you did not remove that server from your DNS settings at your registrar when you added Cloudflare