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A records: a field note from a roofing crew
16 Jun 2024
How a roofing crew deals with A records — and what usually goes wrong.
The problem: query-string copies of the same page. This is where A records breaks for a roofing crew.
After the move, query-string copies of the same page broke search indexing for a roofing crew. Google kept serving the old pages for another nineteen days.
Managed hosting handles A records automatically — until it does not. a roofing crew learned this when their provider migrated servers and query-string copies of the same page disappeared silently.
We document A records in a shared spreadsheet. It is not glamorous, but a roofing crew can open it on their phone at midnight if something breaks.
When a roofing crew moved hosts, the outage was not the new box — it was query-string copies of the same page. We keep TTL short the week of a move, then raise it once everything is stable.
There is a difference between a site that loads and a site that works. A records is part of the second category for a roofing crew.
Six months later, a roofing crew asked us to look at something unrelated. While we were in the panel, we noticed query-string copies of the same page had crept back. We fixed it before it caused trouble.
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