*.wsuz.edu.pl

Issued by R3

About this certificate

This digital certificate with serial number 03:0f:6c:2a:dc:3d:c6:95:64:7f:8a:36:d5:09:4d:f7:ea:7c was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.wsuz.edu.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:0f:6c:2a:dc:3d:c6:95:64:7f:8a:36:d5:09:4d:f7:ea:7c
Serial Number (int): 266584872466132135622075037993574166162044
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:da:62:7e:eb:e2:74:95:58:db:9a:07:87:d1:71:4d:9b:e3:f2:ea
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:d3:50:90:2d:70:8c:52:eb:31:42:25:bf:0f:57:74:6b:ca:46:7d
Fingerprint (sha256): 11:67:05:fe:f4:f5:4f:8b:4e:26:a9:98:d3:8c:db:ca:27:93:c6:f6:a0:63:d4:39:8c:62:eb:70:71:07:ed:0c

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.wsuz.edu.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.wsuz.edu.pl

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

*.wsuz.edu.pl
wsuz.edu.pl

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assist.pentest.partners
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helpdesk.wentworthclub.com
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helpdesk.saviaantjes.be
assist.pentest.partners
itservicedesk.eldoradogold.com
helpdesk.vista.ch
helpdesk.nationalcaregroup.com
ictportal.linkfinancial.eu
helpdesk.minitab.com
sdp.vdp.com
servicedesk.procentia.com
servicedesk.weareavidity.com
helpdesk.hambroperks.com
helpdesk.nationalcaregroup.com
ictportal.linkfinancial.eu
assist.pentest.partners
assist.pentest.partners
ictportal.linkfinancial.eu
ithelpdesk.archlynk.com
pomoc.wsuz.edu.pl
pomoc.wsuz.edu.pl
helpdesk.saviaantjes.be
ithelpdesk.archlynk.com
servicedesk.bwbconsulting.com
servicedesk.weareavidity.com
ithelpdesk.archlynk.com
servicedesk.bwbconsulting.com
assist.pentest.partners
servicedesk.bwbconsulting.com
servicedesk.procentia.com
ithelpdesk.archlynk.com
assist.pentest.partners
sdp.vdp.com
servicedesk.bat-agrar.de
helpdesk.minitab.com
sdpcloud.netwarx.com
assist.pentest.partners
helpdesk.wentworthclub.com
assist.pentest.partners
helpdesk.wentworthclub.com
sdpcloud.netwarx.com
itservicedesk.eldoradogold.com
servicedesk.vretigas.it
servicedesk.vretigas.it
helpdesk.minitab.com
assist.pentest.partners
itservicedesk.eldoradogold.com
itservicedesk.hertspartnership-ala.gov.uk
helpdesk.saviaantjes.be
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helpdesk.vista.ch
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assist.pentest.partners
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sdp.vdp.com
pomoc.wsuz.edu.pl
assist.pentest.partners
servicedesk.vretigas.it
helpdesk.hambroperks.com
sdp.vdp.com
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pomoc.wsuz.edu.pl
servicedesk.bat-agrar.de
helpdesk.vista.ch

Certificate

The complete raw certificate details for *.wsuz.edu.pl in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEpefq46aydl4aHQPRb8xuLBTUJtns+sWS
u8Qx/i7TMHLs/WhDphC3a7fJ/clAFiiJqCcEwUL8icYgxX5jGJ8kIPKNGR7vsaVz
Vz4skl3Ar9iCFlyaSEGbXp5lL0auZn+/
-----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 266584872466132135622075037993574166162044
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-30 23:34:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-29 23:34:52 +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:12|false] UTF8String '*.wsuz.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 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				0004a5e7eae3a6b2765e1a1d03d16fcc6e2c14d426d9ecfac592bbc431fe2ed33072ecfd6843a610b76bb7c9fdc940162889a82704c142fc89c620c57e63189f2420f28d191eefb1a573573e2c925dc0afd882165c9a48419b5e9e652f46ae667fbf
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							88da627eebe2749558db9a0787d1714d9be3f2ea
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.wsuz.edu.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wsuz.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f319363450000040300483046022100cb6fc626f0d057f5e87385782e9cc14d639eb3f8990881b4430a907facb909d0022100c8efb486e8886ccae98b2df4ecb5cf9be68307ed35b8e21cd95f4b517f12eccc0075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f3193634f000004030046304402205f8a36a0f19b147858a564fb3971bb5cca49af7e83d38ff66385cd2bfcc99639022063cbc616415c30d62491c15bcd7f7d4f36b650401ffac6d4c996a650ab7b6ccc
 . . . . [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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