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I've had named blow out and it doesn't get restarted, it just stays dead. Rebooting the server is a heavy handed fix.

systemd will kick it back into gear if it drops.

Use nsd and/or unbound, they're more robust and faster than bind.

Good to know, hadn't really had a chance to explore those yet but will.

No software is entirely bug-free, so I do like having them relaunch on failure rather than stay dead.

Before systemd, Nagios was employed to do that and alert you when it happens. It's still a good idea to have proper monitoring set up, be it Nagios/Icinga, Zabbix or something you know will fit the bill. In good fashion of Unix philosophy, a combination of components works really well. This repository has most of them: https://github.com/monitoringsucks/tool-repos

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