Letsencrypt DNS Verification

certbot-dns-validation

• certbot-dns-validation.sh

First getting of the certs

• certbot -d worf.xmen.de --manual --preferred-challenges dns certonly --manual-auth-hook /usr/local/sbin/certbot-dns-validation

Renew certs

• certbot renew --dry-run --no-self-upgrade --manual-auth-hook /usr/local/sbin/certbot-dns-validation

create wildcard cert with certbot

certbot install:

• cd /usr/local/bin
• wget https://dl.eff.org/certbot-auto
• chmod a+x ./certbot-auto
• ./certbot-auto
• ./certbot-auto certonly --server https://acme-v02.api.letsencrypt.org/directory --manual --preferred-challenges dns -d *.domain.de

Links

• https://blog.v-gar.de/2018/03/lets-encrypt-wildcard-zertifikate-erstellen/
• https://blogs.msdn.microsoft.com/mihansen/2018/03/15/creating-wildcard-ssl-certificates-with-lets-encrypt/