My domain is: bitcastle.lol I ran these commands: sudo certbot renew --nginx --cert-name bitcastle.lol --dry-run sudo certbot certonly --nginx --cert-name bitcastle.lol --dry-run They all failed the with same result: authenticator: nginx, Type: unauthorized, Detail: ... Invalid response from https://bitcastle.lol/.well-known ... 404 And I see 404 status codes in nginx access.logs and perhaps more notably i see in the error.logs No such file or directory looking for the acme-challenge/| Let's Encrypt Community Support