certbot get ssl cert

get:

wget https://dl.eff.org/certbot-auto
chmod +x certbot-auto

usage:

./certbot-auto certonly  -d "*.myyyyyyyyyyyyyyy.com" --manual --preferred-challenges dns-01  --server https://acme-v02.api.letsencrypt.org/directory

test:

dig -t txt _acme-challenge.myyyyyyyyyyyyyyy.com@8.8.8.8 

cert:

/etc/letsencrypt/live/myyyyyyyyyyyyyyy.com/