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> until an attacker gets access to DNS, stores a record with a TTL of 1 year,

DNSSEC may have problems, but that's not how the trust model works. Also signing is separate from authoritative DNS, so you'd need to compromise the signing itself, not just DNS. Should that happen, you are still limited by the upstream record siganture lifetime.

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On the other front (Chrome), their crlset-tools [1] just fetched me 64k (~1.1MiB) of revoked certs just fine, contrary to the article (quote: "After retrieving and running this tool, I was surprised to see a total of 1,081 revoked certificate serial numbers in this list. This seems oddly low.")

[1] https://github.com/agl/crlset-tools

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