Guck es Dir an
openssl s_client -connect funkforum.global.ssl.fastly.net:443
CONNECTED(00000003)
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert SHA2 High Assurance Server CA
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
0 s:/C=US/ST=California/L=San Francisco/O=Fastly, Inc./CN=a.ssl.fastly.net
i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance EV Root CA
openssl s_client -connect forum.freifunk.net:443
CONNECTED(00000003)
depth=2 C = CN, O = WoSign CA Limited, CN = Certification Authority of WoSign
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
0 s:/CN=forum.freifunk.net
i:/C=CN/O=WoSign CA Limited/CN=WoSign CA Free SSL Certificate G2
1 s:/C=CN/O=WoSign CA Limited/CN=WoSign CA Free SSL Certificate G2
i:/C=CN/O=WoSign CA Limited/CN=Certification Authority of WoSign
2 s:/C=CN/O=WoSign CA Limited/CN=Certification Authority of WoSign
i:/C=IL/O=StartCom Ltd./OU=Secure Digital Certificate Signing/CN=StartCom Certification Authority
Gruß Jörg