Hello @Mdenton342, welcome to the Let's Encrypt community.
What process do you presently have bind to TCP Port 80?
Can you stop that process?
Edit:
I tend to think that nginx/1.22.1
is binding to Port 80
$ curl -i http://node.knowltonmc.org/.well-known/acme-challenge/sometestfile
HTTP/1.1 404 Not Found
Server: nginx/1.22.1
Date: Thu, 11 Jul 2024 22:58:21 GMT
Content-Type: text/html
Content-Length: 153
Connection: keep-alive
<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.22.1</center>
</body>
</html>
Please try rerunning with sudo certbot renew -vvv
for increased verbosity.