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“Let’s Encrypt to revoke 3 million certificates on March 4 due to software bug”

By Prasad Naik
March 4, 2020

If you want to double check whether a given hostname still needs its certificate replaced, you can use the tool at https://checkhost.unboundtest.com/

Example : The certificate currently available on hostname is OK. It is not one of the certificates affected by the Let’s Encrypt CAA rechecking problem. Its serial number is 04534d6558f552c3c7e8ab4768d4f6f32xx6

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