✔️ cdanis@cdanis-wmftop ~ 🕓🍵 cat /dev/null | openssl s_client -connect bubbles.nucleosynth.space:443 | openssl verify

depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3
verify return:1
depth=0 CN = bubbles.nucleosynth.space
verify return:1
DONE
CN = bubbles.nucleosynth.space
error 20 at 0 depth lookup: unable to get local issuer certificate
error stdin: verification failed