Goでcertというコマンドを作ってみた$ cert github.com DomainName: github.com Issuer: DigiCert Inc NotBefore: 2016/03/10 09:00:00 NotAfter: 2018/05/17 21:00:00 CommonName: github.com SANs: [github.com www.github.com] $ cert github.com golang.org DomainName: github.com Issuer: DigiCert Inc NotBefore: 2016/03/10 09:00:00 NotAfter: 2018/05/17 21:00:00 CommonName: github.com SANs: [github.com www.github.com] DomainName: golang.org Issuer
