Contents
1. WildCardCertificate
certbot certonly --manual --preferred-challenges dns-01 -d *.qmail.jp
$ cat txt.sh DATA_DIR=/home/tmaeno/dnsdata TXT_RR="'txt.${CERTBOT_DOMAIN}:${CERTBOT_VALIDATION}:300" (cd ${DATA_DIR} && (echo ${TXT_RR} > txt) && make) sleep 10 exit 0
1.1. history
C_acme-challenge.qmail.jp:txt.qmail.jp:3600