$ openssl s_client -ssl3 -connect gmx.net:443 CONNECTED(00000003) depth=2 C = DE, O = Deutsche Telekom AG, OU = T-TeleSec Trust Center, CN = Deutsche Telekom Root CA 2 verify error:num=19:self signed certificate in certificate chain verify return:0 --- Certificate chain 0 s:/C=DE/O=1&1 Mail & Media GmbH/ST=Rhineland-Palatinate/L=Montabaur/emailAddress=server-certs@1und1.de/CN=*.web.de i:/C=DE/O=T-Systems International GmbH/OU=T-Systems Trust Center/ST=Nordrhein Westfalen/postalCode=57250/L=Netphen/street=Untere Industriestr. 20/CN=TeleSec ServerPass DE-2 1 s:/C=DE/O=T-Systems International GmbH/OU=T-Systems Trust Center/ST=Nordrhein Westfalen/postalCode=57250/L=Netphen/street=Untere Industriestr. 20/CN=TeleSec ServerPass DE-2 i:/C=DE/O=Deutsche Telekom AG/OU=T-TeleSec Trust Center/CN=Deutsche Telekom Root CA 2 2 s:/C=DE/O=Deutsche Telekom AG/OU=T-TeleSec Trust Center/CN=Deutsche Telekom Root CA 2 i:/C=DE/O=Deutsche Telekom AG/OU=T-TeleSec Trust Center/CN=Deutsche Telekom Root CA 2 --- Server certificate -----BEGIN CERTIFICATE----- MIIHSzCCBjOgAwIBAgIIKRP7uzR2tXYwDQYJKoZIhvcNAQELBQAwgdkxCzAJBgNV BAYTAkRFMSUwIwYDVQQKExxULVN5c3RlbXMgSW50ZXJuYXRpb25hbCBHbWJIMR8w HQYDVQQLExZULVN5c3RlbXMgVHJ1c3QgQ2VudGVyMRwwGgYDVQQIExNOb3Jkcmhl aW4gV2VzdGZhbGVuMQ4wDAYDVQQREwU1NzI1MDEQMA4GA1UEBxMHTmV0cGhlbjEg MB4GA1UECRMXVW50ZXJlIEluZHVzdHJpZXN0ci4gMjAxIDAeBgNVBAMTF1RlbGVT ZWMgU2VydmVyUGFzcyBERS0yMB4XDTE0MDQwOTA1NDg1MVoXDTE1MDQxNDIzNTk1 OVowgZkxCzAJBgNVBAYTAkRFMR4wHAYDVQQKDBUxJjEgTWFpbCAmIE1lZGlhIEdt YkgxHTAbBgNVBAgTFFJoaW5lbGFuZC1QYWxhdGluYXRlMRIwEAYDVQQHEwlNb250 YWJhdXIxJDAiBgkqhkiG9w0BCQEWFXNlcnZlci1jZXJ0c0AxdW5kMS5kZTERMA8G A1UEAwwIKi53ZWIuZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCr 5X375i5tYDScvsM7xszrlmTutFUoLvOu7Fw9Fb0ISg0GkL52uql0+PKxkzoqsCZz Qjk7T3dm6nK88Qf2hXfFl1WUnIqWOOEfv8QyfeS3ODFcyIa4Pv27Yd3sFRKGsUfn 1GmxPJW4A6Y7iPsVL69Xgbsib+yQ7coKY55M8bJz7NWpYRkogEf4R6Y45W+wx+5a B4TM/i6Bg6cStCG9VP9EUJsEl3pW0MIcTfNNTLd5WDBFZWou9ItFl0mS3p3p5SyT bXJq8TtB1/P+nX5aC/l0+oxK2Bq4VtovZlF1ilHaRPC5kPbaWN9cW+yMWmicBC8l bttz0H16bMT7qVkEOkpBAgMBAAGjggNTMIIDTzAfBgNVHSMEGDAWgBRUBClvopPG kDFFwD3eK+IKaYCSXzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwIGCCsGAQUFBwMBMB0GA1UdDgQWBBTtzCe73d3suTNiQkK745Wr8qusJjBZBgNV HSAEUjBQMEQGCSsGAQQBvUcNAjA3MDUGCCsGAQUFBwIBFilodHRwOi8vd3d3LnRl bGVzZWMuZGUvc2VydmVycGFzcy9jcHMuaHRtbDAIBgZngQwBAgIwggEhBgNVHR8E ggEYMIIBFDBFoEOgQYY/aHR0cDovL2NybC5zZXJ2ZXJwYXNzLnRlbGVzZWMuZGUv cmwvVGVsZVNlY19TZXJ2ZXJQYXNzX0RFLTIuY3JsMIHKoIHHoIHEhoHBbGRhcDov L2xkYXAuc2VydmVycGFzcy50ZWxlc2VjLmRlL2NuPVRlbGVTZWMlMjBTZXJ2ZXJQ YXNzJTIwREUtMixvdT1ULVN5c3RlbXMlMjBUcnVzdCUyMENlbnRlcixvPVQtU3lz dGVtcyUyMEludGVybmF0aW9uYWwlMjBHbWJILGM9ZGU/Y2VydGlmaWNhdGVSZXZv Y2F0aW9ubGlzdD9iYXNlP2NlcnRpZmljYXRlUmV2b2NhdGlvbmxpc3Q9KjCCATkG CCsGAQUFBwEBBIIBKzCCAScwMwYIKwYBBQUHMAGGJ2h0dHA6Ly9vY3NwLnNlcnZl cnBhc3MudGVsZXNlYy5kZS9vY3NwcjBMBggrBgEFBQcwAoZAaHR0cDovL2NybC5z ZXJ2ZXJwYXNzLnRlbGVzZWMuZGUvY3J0L1RlbGVTZWNfU2VydmVyUGFzc19ERS0y LmNlcjCBoQYIKwYBBQUHMAKGgZRsZGFwOi8vbGRhcC5zZXJ2ZXJwYXNzLnRlbGVz ZWMuZGUvY249VGVsZVNlYyUyMFNlcnZlclBhc3MlMjBERS0yLG91PVQtU3lzdGVt cyUyMFRydXN0JTIwQ2VudGVyLG89VC1TeXN0ZW1zJTIwSW50ZXJuYXRpb25hbCUy MEdtYkgsYz1kZT9jQUNlcnRpZmljYXRlMAwGA1UdEwEB/wQCMAAwEwYDVR0RBAww CoIIKi53ZWIuZGUwDQYJKoZIhvcNAQELBQADggEBACvM1YDrsHD9qEJyh8W/ReTZ JVFRPti+ekxs7m6uAD/pqUO2aJAt8+9bA7okM9V5P6OnkFdWHc00ISuAtr+dvGKN wXYpFVm1GxyvHEN425Q8eieeyKxDbw28rafwrVgLRi9l90CNtciMqQFfoZMuGw6y KJfuG7/4xM+wclA34uQjZOIh8NIowGvEkN5JEbYK6MCw14UxFHSWLIIVT96qymwD VmKLIFA6nGs6hoiogQD0m2bJvUguviMwVA1ova2fn/dBcFperNUJeFIrH544cgQd f2z7ySFTSmtoOpVWuCYVDU8hjBW4xXgbfPjSpe89P69Yl7QdPbWzJchO/2YAKxk= -----END CERTIFICATE----- subject=/C=DE/O=1&1 Mail & Media GmbH/ST=Rhineland-Palatinate/L=Montabaur/emailAddress=server-certs@1und1.de/CN=*.web.de issuer=/C=DE/O=T-Systems International GmbH/OU=T-Systems Trust Center/ST=Nordrhein Westfalen/postalCode=57250/L=Netphen/street=Untere Industriestr. 20/CN=TeleSec ServerPass DE-2 --- No client certificate CA names sent --- SSL handshake has read 5235 bytes and written 352 bytes --- New, TLSv1/SSLv3, Cipher is DHE-RSA-AES128-SHA Server public key is 2048 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE SSL-Session: Protocol : SSLv3 Cipher : DHE-RSA-AES128-SHA Session-ID: C51265D9FFC964514976ADE19D1864C41EEA399E3E8432EC9EBE0EB66EC93E89 Session-ID-ctx: Master-Key: 3526016C8EC09BE9382325AB7CFC71DE46F401E4193131592DCBCEC73F4C3D67E37AA5F652830E964742AD699124C397 Key-Arg : None PSK identity: None PSK identity hint: None SRP username: None Start Time: 1413453752 Timeout : 7200 (sec) Verify return code: 19 (self signed certificate in certificate chain) ---