studienseminar-gym-os.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:56:a1:bb:25:3a:14:90:ba:27:f8:0e:eb:4d:47:21:2d:c7 was issued on by Let's Encrypt.

With 12 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:

  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

studienseminar-gym-os.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:56:a1:bb:25:3a:14:90:ba:27:f8:0e:eb:4d:47:21:2d:c7
Serial Number (int): 290816118772366118691577014876015152934343
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 31:fb:35:bd:c0:60:63:32:1c:e3:a7:42:e7:6b:72:4e:fe:66:13:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): de:5b:f0:77:aa:e9:16:b0:c0:69:f8:af:09:cc:75:20:c5:5b:da:ee
Fingerprint (sha256): 00:00:b2:c5:e5:da:f3:fc:83:ea:06:d3:95:d9:bd:43:c1:c8:dc:0e:2a:1b:a2:a7:59:0f:fe:40:c6:b0:f9:4a

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for the current certificate on studienseminar-gym-os.de
12
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

admins.studienseminar-gym-os.de
caldav.studienseminar-gym-os.de
dav.studienseminar-gym-os.de
imap.studienseminar-gym-os.de
iserv.studienseminar-gym-os.de
mail.studienseminar-gym-os.de
pop.studienseminar-gym-os.de
pop3.studienseminar-gym-os.de
smtp.studienseminar-gym-os.de
studienseminar-gym-os.de
webdav.studienseminar-gym-os.de
www.studienseminar-gym-os.de

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGczCCBVugAwIBAgISA1ahuyU6FJC6J/gO601HIS3HMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA1MTcwMjE5MDBaFw0x NzA4MTUwMjE5MDBaMCMxITAfBgNVBAMTGHN0dWRpZW5zZW1pbmFyLWd5bS1vcy5k ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKtR0YTY/MWGG0cZk7/Q VQo+glfRtWZgx47p7k4QrTuKTqTY7l+zbn1m8N1YD0PGGv6NcPQjMzV5hMXAYcVe 83fdPUPjZoli+fy48ASEJMlZwusElUO6OQ1sJHRiE6IKldnrW/ACAkJJv7fXDiqD SDo6knGBvO6yi+XgqTwRsRS51HEIPr+DhibqVIN1TNhXePhYnPYqFVMMGobpUz9k tM7qZbzilt4huChsKNELd7WQAFLiwxN2TEcStR/ilDWOq+QQWNy/Lla22EGTgWf1 5zBsJGqBBpLN713FHSzo4zbH66HFjfHJfSWsbCeBPhvf/4vw3w265elUpZ8kM5zC ZvkCAwEAAaOCA3gwggN0MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUMfs1vcBgYzIc 46dC52tyTv5mEyAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwcAYI KwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wggGABgNVHREEggF3MIIBc4IfYWRtaW5zLnN0dWRpZW5z ZW1pbmFyLWd5bS1vcy5kZYIfY2FsZGF2LnN0dWRpZW5zZW1pbmFyLWd5bS1vcy5k ZYIcZGF2LnN0dWRpZW5zZW1pbmFyLWd5bS1vcy5kZYIdaW1hcC5zdHVkaWVuc2Vt aW5hci1neW0tb3MuZGWCHmlzZXJ2LnN0dWRpZW5zZW1pbmFyLWd5bS1vcy5kZYId bWFpbC5zdHVkaWVuc2VtaW5hci1neW0tb3MuZGWCHHBvcC5zdHVkaWVuc2VtaW5h ci1neW0tb3MuZGWCHXBvcDMuc3R1ZGllbnNlbWluYXItZ3ltLW9zLmRlgh1zbXRw LnN0dWRpZW5zZW1pbmFyLWd5bS1vcy5kZYIYc3R1ZGllbnNlbWluYXItZ3ltLW9z LmRlgh93ZWJkYXYuc3R1ZGllbnNlbWluYXItZ3ltLW9zLmRlghx3d3cuc3R1ZGll bnNlbWluYXItZ3ltLW9zLmRlMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsr BgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlw dC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25s eSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4g YWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQg aHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQEL BQADggEBABlysgdKKjOnrWaadavddDGnAbXt7IPXGolEGYYTBsNtGssSsaw41qrD JQb4qbiCCHN6rqCWI+KKxzpOh8h+zhGBIqGTEeJxe6Fo1nhNBreMj+ZFxDmW+13P ezY8vnJKqX1hJ5TEQeHvx8bFVkunI5nLLDngqZJkEqDOp/N6lt4SJMHRtR7qZaYh hXoK9hmP4+3KYvVrmfHXOfhw6TJd3TSvt7+s+opwQ3Lc5OSzFZJViMM4NF/6H05W B2seVe23LdRU/EHHjUgkt6h5Z3T+L+xWd5NvvhekFesnN1eyer2BD2sht3O1ch5x bi58xCw6kAyhvLlRHqCzN0ft6KTfr28= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq1HRhNj8xYYbRxmTv9BV Cj6CV9G1ZmDHjunuThCtO4pOpNjuX7NufWbw3VgPQ8Ya/o1w9CMzNXmExcBhxV7z d909Q+NmiWL5/LjwBIQkyVnC6wSVQ7o5DWwkdGITogqV2etb8AICQkm/t9cOKoNI OjqScYG87rKL5eCpPBGxFLnUcQg+v4OGJupUg3VM2Fd4+Fic9ioVUwwahulTP2S0 zuplvOKW3iG4KGwo0Qt3tZAAUuLDE3ZMRxK1H+KUNY6r5BBY3L8uVrbYQZOBZ/Xn MGwkaoEGks3vXcUdLOjjNsfrocWN8cl9JaxsJ4E+G9//i/DfDbrl6VSlnyQznMJm +QIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded