I’m unable to install my cert and get the errors below.
firstly,i run the command
certbot certonly --standalone --agree-tos -n -d www.example.com -d example.com -m email@example.com
but i get following error
Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator standalone, Installer None Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org Account registered. Requesting a certificate for www.example.com and example.com Performing the following challenges: http-01 challenge for example.com http-01 challenge for www.example.com Waiting for verification... Challenge failed for domain www.example.com http-01 challenge for www.example.com Cleaning up challenges Some challenges have failed. IMPORTANT NOTES: - The following errors were reported by the server: Domain: www.example.com Type: dns Detail: During secondary validation: DNS problem: networking error looking up A for www.example; DNS problem: networking error looking up AAAA for www.example.com