Hi, Right now there are two options for certificate chains for Let’s Encrypt certificates: An intermediate signed by “DST Root CA X3”, owned by IdenTrust. An intermediate signed by “ISRG Root X1”, the root owned by Let’s Encrypt itself. I believe due to compatibility reasons the vast majority of…

What happens in 2021 when the IdenTrust root certificate expires?

tdelmas July 23, 2018, 3:21pm 3

That question is (probably) linked to that other one about the future ECDSA Intermediates:

Topic		Replies	Views
IdenTrust DST Root CA X3 expiry Help	18	5243	November 6, 2021
DST Root CA X3 expire 2021 Issuance Policy	10	7991	March 20, 2018
Looking for the updated IdenTrust intermediate certificate Help	3	699	June 25, 2020
IdentTrust DST Root CA X3 after september '24 Help	6	1050	June 23, 2023
ISRG Root X1 replaces DST Root CA X3? Help	6	1519	October 29, 2021