I have tried on Linux, Windows and inside Kubernetes. I have disabled all firewalls and used 8.8.8.8 as my DNS server. I cannot ping acme-v01.api.letsencrypt.org or resolve the hostname. acme-v02.api.letsencrypt.org works fine. Problem is I have to modify the docker scripts to use the second domain.
I ran this command:
curl -I -v https://acme-v01.api.letsencrypt.org/directory
nslookup acme-v01.api.letsencrypt.org 8.8.8.8
It produced this output:
* Could not resolve host: acme-v01.api.letsencrypt.org
* Closing connection 0
curl: (6) Could not resolve host: acme-v01.api.letsencrypt.org
Server: dns.google
Address: 8.8.8.8
*** dns.google can't find acme-v01.api.letsencrypt.org: Non-existent domain
My web server is (include version): Quay (certbot)
The operating system my web server runs on is (include version): Kubernetes, Windows
I can login to a root shell on my machine (yes or no, or I don't know): Yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): No