[root@ip-172-31-32-163 ec2-user]# certbot certonly
Saving debug log to /var/log/letsencrypt/letsencrypt.log
How would you like to authenticate with the ACME CA?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: Spin up a temporary webserver (standalone)
2: Place files in webroot directory (webroot)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate number [1-2] then [enter] (press 'c' to cancel): 1
Plugins selected: Authenticator standalone, Installer None
Please enter in your domain name(s) (comma and/or space separated) (Enter 'c'
to cancel): [www.crexspace.com](http://www.crexspace.com)
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for [www.crexspace.com](http://www.crexspace.com)
Waiting for verification...
Challenge failed for domain [www.crexspace.com](http://www.crexspace.com)
http-01 challenge for [www.crexspace.com](http://www.crexspace.com)
Cleaning up challenges
Some challenges have failed.
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: [www.crexspace.com](http://www.crexspace.com)
Type: unauthorized
Detail: Invalid response from
[https://www.crexspace.com/.well-known/acme-challenge/c_qUxDzF83XM_VBXQ3JNyQeGG0YDVfrK0Ji06G5U1ZM](https://www.crexspace.com/.well-known/acme-challenge/c_qUxDzF83XM_VBXQ3JNyQeGG0YDVfrK0Ji06G5U1ZM)
[52.31.99.239]: "<!DOCTYPE html><html lang=\"en\"
dir=\"ltr\"><head><meta charSet=\"utf-8\" class=\"next-head
next-head\"/><meta name=\"viewport\" content="
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
EDIT:
Both IPs are from Amazon [in Ireland]
So unless you work for Amazon [in Ireland], I can assume you got the IP from the system you are logged into (and not your own PC) and unless Amazon is forcing your curl request through a proxy the system you are now on is NOT the system that needs to be renewed.