Let's Debug

Test result for www.kicarding.us using http-01

Error
www.kicarding.us is currently affected by Let's Encrypt-based rate limits (https://letsencrypt.org/docs/rate-limits/). You may review certificates that have already been issued by visiting https://crt.sh/?q=%kicarding.us . Please note that it is not possible to ask for a rate limit to be manually cleared.
The 'Certificates per Registered Domain' limit (20 certificates per week that share the same Registered Domain: kicarding.us) has been exceeded. There is no way to work around this rate limit. The next non-renewal certificate for this Registered Domain should be issuable after 2018-05-10 15:25:52 +0000 UTC (155h42m0s from now).

Submitted May 4 03:43:08 2018. Sat in queue for 4ms. Completed in 2s. Show verbose information.