Side notes:
Also a few links on SHA-1 and TLS v1.0/1.1 with requesting certificates from Let's Encrypt.
- Rejecting SHA-1 CSRs and validation using TLS 1.0 / 1.1 URLs
- Email feedback: TLS 1.0/1.1 deprecation and SHA-1 deprecation
- Questions about TLS 1.0 / 1.1 deprecation for ACME requests
Using this online tool https://crt.sh/ here is a list of issued certificates https://crt.sh/?q=bcae.us