This is a root hint file for DNS download. It is generated from the IANA root zone database.
Root files information you can find on IANA website.
Downloaded file is located in root.hints
file in downloads
directory.
Before download file, script comparing local and remote file sizes, if sizes differents, file will download and then will run defined command.
0 4 1 * * /path/to/root-hint-dwn/run.sh -c "telegram_notify" -t "/path/to/dest/root.hints" > /dev/null 2>&1
Or for cron.d
:
30 1 1,15 * * root /path/to/update_root_hints.sh '/usr/bin/systemctl restart service' 2>&1
Enjoy.