*.highskill.fi

Issued by R3

About this certificate

This digital certificate with serial number 04:fd:8b:a2:46:8f:71:35:f8:88:7f:85:c5:be:25:e2:79:f8 was issued on by Let's Encrypt.

With 4 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=*.highskill.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fd:8b:a2:46:8f:71:35:f8:88:7f:85:c5:be:25:e2:79:f8
Serial Number (int): 434726187832676940339138640246180543625720
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 32:09:dd:09:fb:e4:ca:c8:0c:03:8f:4a:44:42:99:72:28:fa:a9:c3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9d:60:ce:c4:33:97:ee:7e:1b:01:18:7a:b0:45:42:fb:a5:a8:a7:54
Fingerprint (sha256): e1:d0:08:88:5c:07:ce:eb:70:6a:4d:fb:3c:3b:0e:8b:81:81:41:16:67:77:64:2d:9f:93:57:af:b1:06:07:0e

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

Revocation information

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

Check the revocation status for certificate *.highskill.fi

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.highskill.fi

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

*.highskill.fi
*.postilokero.net
highskill.fi
www.highskill.postilokero.net

Other certificates including the domain name highskill.fi

(limited to 100 certificates)
highskill.fi
mail.highskill.fi
highskill.fi
mail.highskill.fi
highskill.fi
highskill.fi
www.highskill.postilokero.net
highskill.fi
*.highskill.fi
highskill.fi
mail.highskill.fi
highskill.postilokero.net
highskill.fi
*.highskill.fi
highskill.fi
highskill.postilokero.net
highskill.fi
highskill.fi
highskill.fi
highskill.fi
highskill.fi
highskill.fi
highskill.fi
highskill.fi
*.highskill.fi

Certificate

The complete raw certificate details for *.highskill.fi in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt5PfmBV13IqjCQSmMOLx
6KEyfy9QHVg/Samt0bJMhcTJJAfCSqLK1O6QD5rXSiksNbKb0f2nPMEILZsNjuis
wUA5lmIQDPyT0ZioZQy4UBviReAygQP0OuwV73NpFk0D4kX0Kykx4bi6B+u1A30P
yY0KMDbEqu1hMApPjNx9Um9x/ybqk2KGqX0Op8ZNd+YKlJcTHWF2DZkrJzOfpgZO
4TkJjxdlKfhHj3Slj1PcPKA9jbWdhGT34zPSFQYGdXUfNeU+PkDqtAnS4e5+iTcP
PFYX5Q9pECoW3LCR4Dxdyt2QaLUezmUkx4ZI/uLj8yrIpoOOhcBPXHjSEPfCADuC
swIDAQAB
-----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 434726187832676940339138640246180543625720
 . . . . . . . . [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 2023-08-20 00:45:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-18 00:45:48 +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 '*.highskill.fi'
 . . . . . . . . [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 23174528907144161155949659354273840888834822053583342307473644305070532224720862678760681058770118368444091070249020099610582723290885371599502088767428467914323257309092946989372370144884549466479371357356711469084482787936727382503300213583379586960751455103067538590556052188835657001338682122294986363810202111251989668675941895758980419825687616295764618761010627882516955978029573731544450586164163083968370224428093691248563816852422773654001330941622976479988508427175313903985767669520098326596885225430214857918415780785646309614036294715403462839974529518011934819419498751844323390382498741021252511302323
 . . . . . . . . . . . . . . . . . . . . [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)
							3209dd09fbe4cac80c038f4a4442997228faa9c3
 . . . . . . . . . . . . . . . . [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 (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.highskill.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.postilokero.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'highskill.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.highskill.postilokero.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a109eb12b0000040300473045022073a0471a7e71a31b1fae8e1cddc52047fadfdf8d03b0556513f7e0f43e8fce6c022100eaceb7f26a6a28c45aff66bf3d21d9d5cc9b9225ecd03b4adcd8f0e860c0b1d70076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a109eb13c0000040300473045022036edc2b9a26b9738f82e4e1b27402bdbd4bb07bb57739bc719929c9a48b04f82022100e4c74196fc3cf64ef2eb9a35159faf3705a6c18d4de112f600d8ea0fdd6b497f
 . . . . [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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