klik.prz.edu.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:2e:61:a8:c6:b0:d9:74:5c:7b:a0:e0:36:59:05:be:11:84 was issued on by Let's Encrypt.
With 3 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)
Certificate Subject
CN=klik.prz.edu.pl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:2e:61:a8:c6:b0:d9:74:5c:7b:a0:e0:36:59:05:be:11:84Serial Number (int): 277119658125035836994706025662877322318212
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6b:07:95:e1:bd:c1:7b:c2:bd:4c:b1:8a:37:14:a8:67:c6:38:e7:33
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 30:fa:78:80:48:47:9c:94:f6:3d:35:53:5e:1a:ec:35:cc:29:7a:04
Fingerprint (sha256): 36:e4:d8:2c:69:68:ab:d6:3f:ed:48:76:9a:39:39:82:20:18:01:b3:51:90:02:57:6d:e3:ea:9d:08:eb:8b:91
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate klik.prz.edu.pl
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for klik.prz.edu.pl
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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
klik.prz.edu.pl
www.klik.edu.pl
www.klik.prz.edu.pl
www.klik.edu.pl
www.klik.prz.edu.pl
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graduacjawz.prz.edu.pl
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praktyki-weii.prz.edu.pl
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ankieter.prz.edu.pl
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biurokarier.prz.edu.pl
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aszcz.strony.prz.edu.pl
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forum.stud.prz.edu.pl
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kod.prz.edu.pl
graduacjawz.prz.edu.pl
power.prz.edu.pl
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sprawozdania.kia.prz.edu.pl
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biurokarier.prz.edu.pl
power.prz.edu.pl
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test.birt.prz.edu.pl
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Certificate
The complete raw certificate details for klik.prz.edu.pl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFfTCCBGWgAwIBAgISAy5hqMaw2XRce6DgNlkFvhGEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTMwNjMyMjlaFw0x OTA5MTEwNjMyMjlaMBoxGDAWBgNVBAMTD2tsaWsucHJ6LmVkdS5wbDCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMOZYWyg6qNE+s38xWqFgpaV5Fy4xAp2 kfHweELw5gIygMw44zoDHKDLYa7o52JRC7Px0lW1ZrvtnI/Xsg4DN8mVtJ1vT3mP Me5hDIRdUP5ZPJ63Yin4TIjas+Z1JTS/EHPbqA1hc7oNv4dytJKLEJ08nV5VnPgk vnbmYbeugZXxackmblj3BUPjWANHvcJ21boZdPN68xGQuqEGXHinqul1QHHcR0hR MJcyMvEC74NgAo2JEFZQp/hNBupTOvrGVDAlzZ0FOZMnj+Z+LBKO1u4hUopyqgFf u0ePxgKyDDRr3Q/ZM69qTKYrI7JweWnhG/K2gmGF0nrNeEg401f4DFMCAwEAAaOC AoswggKHMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUaweV4b3Be8K9TLGKNxSoZ8Y4 5zMwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzBABgNVHREEOTA3gg9rbGlrLnByei5lZHUucGyCD3d3dy5rbGlrLmVkdS5w bIITd3d3LmtsaWsucHJ6LmVkdS5wbDBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AHR+2oMxrTMQkSGcziVPQnDC v/1eQiAIxjc1eeYQe8xWAAABa0/AlqoAAAQDAEgwRgIhAKAXOAq5Kj8h7Z9dDIZv ysEp8vLBgZEH9BUMbHBwutzjAiEAiP5NbAa0y6paGlLfUPdND1gMseAJ1xryrTk2 IjB/PGgAdgBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWtPwJaf AAAEAwBHMEUCIQCYigChOZUMCzutr3djevUwU8EO5n0VabRAflRGzjW5hAIgQFZ4 60bk304trQum4ftLbDS0+utZZ7sZ3IS2ewpe62kwDQYJKoZIhvcNAQELBQADggEB ABzGt2dhFKZXumebUPLPGrZ3SYFNu9k48ZTDasNfFivnLtLuan2Lu9W54FcFGLVf thKo2duv714qCFpGCZ2qq6L1LR2oo23t6oSlxZ7Z7Lsw0I/bdTm3GGpTeVEMNZlK +36kq85kHU3GlLrrAwbhayrAhHgaxI0cD/Pzk1eNb+9Rlb8w5dRnhHLyWI8Doivq zkfCMbS7ypDG10xToEEfpOENgCexvoj1ZCDeQABK44tQ5kK5css5wp189isY/h9C Ex0vRijF9Ers6XO8uIsmfUMtgxvIPKW6YCrxDb2PsHErD9XsVgJ09qf3rcjClfLH Z68GGen+0PEJu7R92Wwk0QQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw5lhbKDqo0T6zfzFaoWC lpXkXLjECnaR8fB4QvDmAjKAzDjjOgMcoMthrujnYlELs/HSVbVmu+2cj9eyDgM3 yZW0nW9PeY8x7mEMhF1Q/lk8nrdiKfhMiNqz5nUlNL8Qc9uoDWFzug2/h3K0kosQ nTydXlWc+CS+duZht66BlfFpySZuWPcFQ+NYA0e9wnbVuhl083rzEZC6oQZceKeq 6XVAcdxHSFEwlzIy8QLvg2ACjYkQVlCn+E0G6lM6+sZUMCXNnQU5kyeP5n4sEo7W 7iFSinKqAV+7R4/GArIMNGvdD9kzr2pMpisjsnB5aeEb8raCYYXSes14SDjTV/gM UwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 277119658125035836994706025662877322318212 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-13 06:32:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-11 06:32:29 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'klik.prz.edu.pl' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24692104243333239387299505785387553203712831007678566025313807381647157003738073221700618020940138473234531436125072200016813377290159022042961753684585703348651767865131543626417490362444022605284940256919089125264431413645660646163052502299266161774063450187395715594813322207755662047823490422363203504884620612270164407536608634213386848094590921461079538322894772277511144557169086480504119304483125283145145774735227193849664635324004536002522805764284709748417691406692032824363634424216867160447277159422653285189563639125964171488440877125011142304379356845494205016490114084044130126987260510642809268079699 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 6b0795e1bdc17bc2bd4cb18a3714a867c638e733 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (57 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klik.prz.edu.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klik.edu.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klik.prz.edu.pl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b4fc096aa0000040300483046022100a017380ab92a3f21ed9f5d0c866fcac129f2f2c1819107f4150c6c7070badce302210088fe4d6c06b4cbaa5a1a52df50f74d0f580cb1e009d71af2ad393622307f3c6800760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b4fc0969f0000040300473045022100988a00a139950c0b3badaf77637af53053c10ee67d1569b4407e5446ce35b9840220405678eb46e4df4e2dad0ba6e1fb4b6c34b4faeb5967bb19dc84b67b0a5eeb69 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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