Assortment of utilities to help with automating bind updates
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mtasts-up.sh - Updates MTA-STS records for your authoritative name servers
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dane-up.sh - Updates your DANE/TLSA records for your domain
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dmarc-up.sh - Updates your DMARC records for your domain
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svs-upd-cron.sh - Drop this in /etc/cron.weekly, and the above three scripts in /etc/bind, chmod +x, and
$PROFIT$
copy the variable definition section from each of the '*-up.sh' scripts into a .local file.
edit the variables to match your local configuration.
run the main scripts, and it'll pull in your local defs and attempt to perform the updates.
use the svs-upd-cron.sh to perform all three updates automatically