crt is a CLI tool to check Certificate Transparency logs of a domain name. It can also enumerate subdomains.
Check the release page for the executables.
If you have Go installed:
go install github.com/cemulus/crt@latestUsage: crt [options...] <domain name>
Options:
  -s        Enumerate subdomains.
  -e        Exclude expired certificates.
  -l <int>  Limit the number of results. (default: 1000)
  -o <path> Output file path. Write to file instead of stdout.
  -json     Turn results to JSON.
  -csv      Turn results to CSV.
Examples:
  crt example.com
  crt -s -e example.com
  crt -csv -o logs.csv -l 15 example.com
  crt -json -o logs.json example.com