Amazon Route 53 將會加緊支援 DNS CAA

看到 Amazon Route 53 要支援 DNS CAA 的消息:「Announcement: Announcement: CAA Record Support Coming Soon」。

裡面有提到 CA/Browser Forum 的決議,要求各瀏覽器支援 DNS CAA:

On March 8, 2017, the Certification Authority and Browser Forum (CA/Browser Forum) mandated that by September 8, 2017, CA’s are expected to check for the presence of a CAA DNS record and, if present, refuse issuance of certificates unless they find themselves on the whitelist <https://cabforum.org/2017/03/08/ballot-187-make-caa-checking-mandatory/>.

DNS CAA 可以設定哪些 SSL certificate 可以發出你的證書,除了自己以外,也可以讓第三者比較容易確認是否有誤發的行為:

We have seen a lot of interest in Amazon Route 53 support for Certification Authority Authorization (CAA) records, which let you control which certificate authorities (CA) can issue certificates for your domain name.

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