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certificate renewals for a veterinary clinic
27 Sep 2024
How a veterinary clinic deals with certificate renewals — and what usually goes wrong.
The problem: a CAA record that blocks the new CA. The certificate chain breaks for a veterinary clinic.
Automate certificate renewals if you can. If you cannot, write a quarterly reminder in a calendar that someone actually checks. a CAA record that blocks the new CA is what happens when nobody does either.
There is a difference between a site that loads and a site that works. certificate renewals is part of the second category for a veterinary clinic.
We moved certificate renewals for a veterinary clinic to a provider that supports DNSSEC. It added five minutes to the migration and closed a class of attacks they did not even know about.
Instead of migrating certificate renewals all at once, we ran both configurations in parallel for a week. The switch happened on a Wednesday morning — the quietest traffic window.
We have seen agencies charge a veterinary clinic for a yearly certificate renewals audit that consists of a screenshot and a paragraph. Ours is a working config file they can apply themselves.
We quoted a veterinary clinic half what the other firm did because we did not propose features they did not ask for. The scope was certificate renewals, not a rebrand.
We write notes like this one because the same problems come back. If someone at a veterinary clinic reads it and avoids a CAA record that blocks the new CA, the note paid for itself.
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