biurokarier.prz.edu.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:af:9d:c7:0c:2f:db:e7:6f:e1:9e:a2:39:6c:1b:81:10:20 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)
Certificate Subject
CN=biurokarier.prz.edu.pl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:af:9d:c7:0c:2f:db:e7:6f:e1:9e:a2:39:6c:1b:81:10:20Serial Number (int): 321095994316038747158056532366100585844768
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6b:b1:e8:56:b5:77:43:68:43:c4:a5:21:9f:10:a4:2e:6d:79:22:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 74:a0:d5:bb:33:00:c6:2b:a3:ac:df:13:89:3b:67:04:49:73:98:50
Fingerprint (sha256): 4c:b9:49:79:21:a2:f4:19:7e:ae:89:0d:d2:8f:90:d3:90:32:82:35:df:43:37:1f:be:ac:92:5e:a4:07:f7:35
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate biurokarier.prz.edu.pl
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for biurokarier.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
biurokarier.prz.edu.pl
www.biurokarier.prz.edu.pl
www.biurokarier.prz.edu.pl
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Certificate
The complete raw certificate details for biurokarier.prz.edu.pl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFgjCCBGqgAwIBAgISA6+dxwwv2+dv4Z6iOWwbgRAgMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODExMTEyMjM5MTdaFw0x OTAyMDkyMjM5MTdaMCExHzAdBgNVBAMTFmJpdXJva2FyaWVyLnByei5lZHUucGww ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCZjj9OZPuer/UC4TRVUXbb DXSj7wc9heFtiN7P75HDiY10uvO65v64vJacqNBSfVJwXlPfWR4k8xn4fUXvI+qh Z0WvgsJSkpXpTQtegqRM+XtcvkNNtmy3frMjToKoOA6M5vVLb33IybRFVWpnBilW bYz0f8F7e0vfBLW+dcFkmy1NzqkrTqpuHY8p8WC7wkA8j2NX31Q9ukKv4SaBss8Y Eg3tqQzpf8QBhBYIwrplvaIxa+V5GT/wjo/2bMe9hs256qklgTlSYIW/bXR2y1i4 bEPqV0lGDs7iUP/RMhxMh0cV4q5vX9FuuL6E6nvghWmnwwIN21hVntSDsaI5BVXf AgMBAAGjggKJMIIChTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGux6Fa1d0NoQ8Sl IZ8QpC5teSLeMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wPQYDVR0RBDYwNIIWYml1cm9rYXJpZXIucHJ6LmVkdS5wbIIa d3d3LmJpdXJva2FyaWVyLnByei5lZHUucGwwTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEGBgorBgEEAdZ5AgQCBIH3BIH0APIAdwBVgdTCFpA2AUrqC5tX PFPwwOQ4eHAlCBcvo6odBxPTDAAAAWcFJND7AAAEAwBIMEYCIQDkPhSSRq4iCWXz X49F4GxUT5g0IV0bWv0uH7QLHhsGdAIhAP4hEaB68K09yFvRyy1CO3KaVgO7usDw z2Quw2aNyDC9AHcAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFn BSTRFQAABAMASDBGAiEA4FOXM3ydNf0EJfCXea3dlvZpiwUKX9Y3Og+0jS7Y6jkC IQCxX5lc12jBFfzAmYuRTILIMZlz65ahtuT5XhRnMY/8szANBgkqhkiG9w0BAQsF AAOCAQEAjpSIzc2jK+eeBF/34tfs3t0bRoy7bX7GLCw8OAo3i4L8CQFD3jwKD6sk TNoTHeD5Dy77a+0fy2oBEs4Dt5g5zXKIe0DwUWq8nqKE+RpqueYlBPuGMO4vFsx8 2gM+V3URYc3QvA9BazkselY420/MM0OXmRazJLV4fJsEDja+IsTdY677vs3jhEes fmicsMoUDJ+GSyqi4RESrWWcKEUoFxoePjSmyOwd7DahHrgQsIEgheI1a60X1eWV pJCTdsOsPeWUY6eh6gJC7xhI5hcc1iGnG+dqGtoDLBuqYGOF/nceEFepz9htdwdt UmuTfwHYtFugXOtVu8YHdxAInY+pfw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmY4/TmT7nq/1AuE0VVF2 2w10o+8HPYXhbYjez++Rw4mNdLrzuub+uLyWnKjQUn1ScF5T31keJPMZ+H1F7yPq oWdFr4LCUpKV6U0LXoKkTPl7XL5DTbZst36zI06CqDgOjOb1S299yMm0RVVqZwYp Vm2M9H/Be3tL3wS1vnXBZJstTc6pK06qbh2PKfFgu8JAPI9jV99UPbpCr+EmgbLP GBIN7akM6X/EAYQWCMK6Zb2iMWvleRk/8I6P9mzHvYbNueqpJYE5UmCFv210dstY uGxD6ldJRg7O4lD/0TIcTIdHFeKub1/Rbri+hOp74IVpp8MCDdtYVZ7Ug7GiOQVV 3wIDAQAB -----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 321095994316038747158056532366100585844768 . . . . . . . . [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 2018-11-11 22:39:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-09 22:39:17 +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 'biurokarier.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 19384605412814327325751109317907521345163021497554218104178353436588745388203340979495087961242823967210802204384076886683106902379502846277080313751377665639816652698320907138778784052282887620684566916069018241075812462603913075791139856401164560480142183546198501950350575292842225421627145162381028941472881895102810205713666682590689944736170380654182229083374559567593965938618764173494102528005537219101344259749155505715678501233336067192542585958504120254871788788434758661436219631851179990696923164754796888839162336858674663425290591459538172759782148281534976492804861966883243360599562362856152177661407 . . . . . . . . . . . . . . . . . . . . [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) 6bb1e856b577436843c4a5219f10a42e6d7922de . . . . . . . . . . . . . . . . [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 (54 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biurokarier.prz.edu.pl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.biurokarier.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f20077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001670524d0fb0000040300483046022100e43e149246ae220965f35f8f45e06c544f9834215d1b5afd2e1fb40b1e1b0674022100fe2111a07af0ad3dc85bd1cb2d423b729a5603bbbac0f0cf642ec3668dc830bd007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001670524d1150000040300483046022100e05397337c9d35fd0425f09779addd96f6698b050a5fd6373a0fb48d2ed8ea39022100b15f995cd768c115fcc0998b914c82c8319973eb96a1b6e4f95e1467318ffcb3 . . . . [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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