Read TLS Certificate from Server

OpenSSL

openssl s_client -connect 127.0.0.1:443 -servername domain.tld

Unix-like operating system

& '.\openssl.exe' s_client -connect 127.0.0.1:443 -servername domain.tld

Windows PowerShell

Nmap

nmap -Pn -sT -p443 --script ssl-cert domain.tld