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by CarlHoerberg
2936 days ago
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> This initial approach, at least, does not cache the intermediate CNAMEs nor does it care about the CNAME TTL values. That's a total violation of the standard and will break A LOT of things. Example: my.domain.com -> CNAME ec2-1-2-3-4.aws.com 30s TTL -> A 1.2.3.4 30days TTL. So Firefox will now cache my.domain.com to 1.2.3.4 for 30 days? When you update the record for my.domain.com the change today will be applied in 30s, but with this flawed heuristic it won't expire until after 30 days. |
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