Hello:
My FreePBX has the following problems
Zulu needs a New Let’s Encrypt Certificate
LetsEncrypt, however, requires that the following hosts be allowed to inbound http access. The first three hostnames are ping-enabled, and the last one is not ping-enabled.
Finally, after clicking on the confirmation of my certificate configuration, the following error occurred:
There was an error updating the certificate: Error ‘Requested host ‘zulupbx.com’ does not resolve to ‘175.10.38.X’ (Resolved to ‘67.219.176.18’ instead)’ when requesting http://zulupbx.com//.freepbx-known/d34ac1fbf8b2771d04443e74d9008cb7
Apparently this domain is already owned by someone else, you’ll need to purchase a new domain from a trusted seller, like GoDaddy, Google, NameCheap etc. Then point your domain to your WAN IP and forward port 80 to your PBX temporarily.
Or you can have your LE verification only on port 80, and the entire GUI on a different port.
I don’t know if any specific sites. Google is your friend.