justjavascript.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:60:5a:ee:c0:f3:4b:6b:b5:30:c3:31:57:c7:12:c4:82:8f was issued on by Let's Encrypt.

With 2 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)

justjavascript.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:60:5a:ee:c0:f3:4b:6b:b5:30:c3:31:57:c7:12:c4:82:8f
Serial Number (int): 294124835219462235128426691027746420982415
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:3b:59:e3:7a:92:78:53:43:97:45:94:4a:0b:f0:c0:5f:6b:a7:30
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4c:00:ff:26:46:ad:f8:3c:e3:ca:f7:a5:43:9d:c6:2d:02:55:a3:29
Fingerprint (sha256): 00:00:56:53:4e:56:83:8d:12:4c:2c:25:4f:0b:1f:7c:a9:86:d9:01:9a:24:4e:ee:86:c2:7a:6a:04:06:52:8f

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 justjavascript.cz
2
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

justjavascript.cz
www.justjavascript.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFHDCCBASgAwIBAgISA2Ba7sDzS2u1MMMxV8cSxIKPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMDQxOTIwMDRaFw0x ODA1MDUxOTIwMDRaMBwxGjAYBgNVBAMTEWp1c3RqYXZhc2NyaXB0LmN6MIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt5VwMPUnRJ57hqEV2RDcwR1ydf9q Tb1OeP1nqv0C+YSWw5ZdM5xuqpGFV3n4zJzlXqVqj6T221Ap2Yl0CtITEtcFK7uH 1rpc4x2Uj24xhM/24qF0N85/mRe3pnGxge393Hsstng636oDIpsVPAN52UFopD89 XoEFBOL5zIAeSdRco9bLQJ8LvU01rRHu44bR8Wc/kbBrl/DW52b2nhbQj2IGtFwO 36PEGss2TGRHX8Ea/pmB8Q1ZpJWjmcD3DKAOSNfbH6buaobyQDZVrk9Szz1+MJ/m dwTYBhzlKSFlIOWLhx7eWNdfw7443Yq8GJpq3f8XRM6dov3U8zMVM3PdpQIDAQAB o4ICKDCCAiQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRdO1njepJ4U0OXRZRKC/DA X2unMDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMDMGA1UdEQQsMCqCEWp1c3RqYXZhc2NyaXB0LmN6ghV3d3cuanVzdGph dmFzY3JpcHQuY3owgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8T AQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCB qwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJl bGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRh bmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczov L2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEA b1y2hbsnj0pgk6LuBjSFsvwqJRkCd0ML3Uh21wrdda/HMCMu+cl8M5v9pu2/sn1h 8p615N6Rlg15i3IPdYu/GW0OP/+hdRGULBfyRvwR2l9PedMagjDMcXyubveAn2tS UgJrO8Ml/k5hDfeeT3e8R6QQdY9ujq51K1Eb1gdumXai8082hLHKwAuKfDkqslbY jwBbqJaHb2oatgwnR6Jl1gd5bCMJ7+qNaQKowB046Nb5o/9Rb88b/Q5cDVNJYGBA +QGhek+2b91FmL1avaxr9ENIHSSekdsbmCsaS9uoT30l1xgEtDLnKO6knegEauFr BYh/2hx7Hnpknvhl/mK8pw== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt5VwMPUnRJ57hqEV2RDc wR1ydf9qTb1OeP1nqv0C+YSWw5ZdM5xuqpGFV3n4zJzlXqVqj6T221Ap2Yl0CtIT EtcFK7uH1rpc4x2Uj24xhM/24qF0N85/mRe3pnGxge393Hsstng636oDIpsVPAN5 2UFopD89XoEFBOL5zIAeSdRco9bLQJ8LvU01rRHu44bR8Wc/kbBrl/DW52b2nhbQ j2IGtFwO36PEGss2TGRHX8Ea/pmB8Q1ZpJWjmcD3DKAOSNfbH6buaobyQDZVrk9S zz1+MJ/mdwTYBhzlKSFlIOWLhx7eWNdfw7443Yq8GJpq3f8XRM6dov3U8zMVM3Pd pQIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded