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CAA records for cabin rentals
30 Mar 2025
How cabin rentals deals with CAA records — and what usually goes wrong.
The problem: a robots.txt that disallows the blog. This is where CAA records breaks for cabin rentals.
Six months later, cabin rentals asked us to look at something unrelated. While we were in the panel, we noticed a robots.txt that disallows the blog had crept back. We fixed it before it caused trouble.
There is a difference between a site that loads and a site that works. CAA records is part of the second category for cabin rentals.
Early on we tried to automate CAA records for cabin rentals with a cron job. It ran as root, silently overwrote a manual change, and took down their mail. Lesson learned.
Instead of migrating CAA records all at once, we ran both configurations in parallel for a week. The switch happened on a Wednesday morning — the quietest traffic window.
The vendor portal had silently rotated the key for CAA records, but cabin rentals was still using the old one. Every outbound message bounced quietly.
The worst CAA records failure we have seen at cabin rentals was invisible for eight months. The backup existed but had never been tested, and the data inside was three migrations old.
We run a monthly diff on DNS for cabin rentals. If a record changes and nobody in the team made the change, we get an alert. a robots.txt that disallows the blog was caught this way last quarter.
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