DOM="your-www-domain-name-here"
PORT="443"
echo | openssl s_client -servername "$DOM" -connect "$DOM:$PORT" | openssl x509 -noout -dates
See https://www.cyberciti.biz/faq/find-check-tls-ssl-certificate-expiry-date-from-linux-unix/ for more info.
nixCraft 🐧 on Nostr: Want to check TLS/SSL certificate expiration date from #[0], macOS or UNIX command ...
Want to check TLS/SSL certificate expiration date from npub1lhm6kw3nadxgxv6grhgye75kpshtmmn3zmfvmlqyq550da5eje6qylyj80 (npub1lhm…yj80), macOS or UNIX command line? Try:
DOM="your-www-domain-name-here"
PORT="443"
echo | openssl s_client -servername "$DOM" -connect "$DOM:$PORT" | openssl x509 -noout -dates
See https://www.cyberciti.biz/faq/find-check-tls-ssl-certificate-expiry-date-from-linux-unix/ for more info.
DOM="your-www-domain-name-here"
PORT="443"
echo | openssl s_client -servername "$DOM" -connect "$DOM:$PORT" | openssl x509 -noout -dates
See https://www.cyberciti.biz/faq/find-check-tls-ssl-certificate-expiry-date-from-linux-unix/ for more info.