Let's Debug

Test result for hughguess.com using http-01

ReservedAddress
Fatal
A private, inaccessible, IANA/IETF-reserved IP address was found for hughguess.com. Let's Encrypt will always fail HTTP validation for any domain that is pointing to an address that is not routable on the internet. You should either remove this address and replace it with a public one or use the DNS validation method instead.
192.168.0.239
HTTPRecords
Debug
A and AAAA records found for this domain
hughguess.com. 0 IN A 15.197.142.173
hughguess.com. 0 IN A 3.33.152.147
hughguess.com. 0 IN A 192.168.0.239
PublicSuffix
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for hughguess.com is: com
StatusIO
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Mar 19 03:10:21 2022. Sat in queue for 5ms. Completed in 0s. Hide verbose information.