servnest-containers/conf/certbot-dns-challenge-hook.sh

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#!/usr/bin/env sh
set -eu
PARENT="${CERTBOT_DOMAIN#*.}"
knotc zone-begin "$PARENT".
knotc zone-set "$PARENT". _acme-challenge."$CERTBOT_DOMAIN". 60 IN TXT "$CERTBOT_VALIDATION"
knotc zone-commit "$PARENT".