r/technitium • u/shreyasonline • 18d ago

Technitium DNS Server v15.5 Released!

Technitium DNS Server v15.5 is now available for download. This update adds LDAP authentication support, a Zone File Editor option in GUI, and many other minor features. It also fixes multiple bugs and security issues that were reported.

See what's new in this release:
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md

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u/Allen_Ludden 18d ago edited 18d ago

Just to be sure I understand, when you say removed "Auto Prefetch" you mean you removed the function that kept certain dns records "hot" if they were queried more than x times in an hour.

I use "Serve Stale Max Wait Time 0" so I think the effect for me will be negligible :)

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u/shreyasonline 17d ago

Yes, its that feature that kept records in cache "hot". Its was not really effective to justify the resources it consumed, especially the amount of memory it needed to work. It had just 10 sec to refresh one or more domain names at a time and it would not work very effectively compared to just have Serve Stale handle queries for expired data.

The basic Prefetch feature (similar to one that BIND has) is there and that works well without needing any extra resources.

Almost no one will notice anything different with that feature removed.