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Send NOTIFY to DNS secondaries #374

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opened 2026-06-12 13:18:25 +02:00 by felixalb · 0 comments
felixalb commented 2026-06-12 13:18:25 +02:00
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Some friend organizations (NVG, NTNU, Uninett) mirrors/slaves our DNS configurations. Currently, we allow TRANSFERs/axfr from them, so they can fetch, copy and serve entire zones for us.

However, when we update records, instead of waiting for TTL expiry, we can proactively push updates to their DNS servers with NOTIFY, so they immediately get the new zones. Read the nsd documentation, write some notify config, test and push to https://git.pvv.ntnu.no/Drift/PVV-DNS.

The relevant configuration should probably go somewhere near https://git.pvv.ntnu.no/Drift/PVV-DNS/src/branch/main/nsd.conf.nix#L42

Some friend organizations (NVG, NTNU, Uninett) mirrors/slaves our DNS configurations. Currently, we allow TRANSFERs/axfr from them, so they can fetch, copy and serve entire zones for us. However, when we update records, instead of waiting for TTL expiry, we can proactively push updates to their DNS servers with NOTIFY, so they immediately get the new zones. Read the nsd documentation, write some notify config, test and push to https://git.pvv.ntnu.no/Drift/PVV-DNS. The relevant configuration should probably go somewhere near https://git.pvv.ntnu.no/Drift/PVV-DNS/src/branch/main/nsd.conf.nix#L42
felixalb added the enhancementdns labels 2026-06-12 13:18:25 +02:00
felixalb added this to the Kanban project 2026-06-12 13:18:54 +02:00
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adriangl (Adrian Gunnar Lauterer) albertba (Albert Bayazidi) alfhj (Alf Helge Jakobsen) bjornoka (Bjornar Orjansen Kaarevik) chrisfjo (Christian Fredrik Johnsen) chrivi (Christoffer Viken) danio (Daniel Lovbrotte Olsen) davidk (David Kaasen) dungby (Dung-Bai Yen) eirikwit (Eirik Witterso) felixalb (Felix Albrigtsen) frero (Fredrik Robertsen) jonmro (Jon Martinus Rodtang) jovre (Jo Vassbotn Remvik) karolds (Karoline Dyve Samuelsen) knuta (Knut Auvor Grythe) krisleri (Kristoffer Longva Eriksen) larshhan (Lars Halvor Hansen) olived (Oliver Didriksen-Kolstad) oysteikt (Oystein Kristoffer Tveit) pederbs (Peder Bergebakken Sundt) root (rot) torsteno (Torstein Nordgård-Hansen) vegardbm (Vegard Bieker Matthey) yorinad (Yorin Anne De Jong)
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Reference: Drift/issues#374
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