koulia.fi

Issued by R3

About this certificate

This digital certificate with serial number 03:a1:a8:7a:58:64:a4:7c:99:92:e1:2f:30:87:db:b5:a6:f9 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=koulia.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:a1:a8:7a:58:64:a4:7c:99:92:e1:2f:30:87:db:b5:a6:f9
Serial Number (int): 316346264425886207219510817237952783296249
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:d1:92:70:2d:5e:74:a6:0f:45:20:a7:7f:4b:18:ac:14:3d:b7:b2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:87:66:02:ea:c4:54:0b:b4:87:3c:f3:73:c6:00:65:83:5d:25:41
Fingerprint (sha256): ec:03:25:4b:16:c5:68:ba:69:02:94:81:2f:1d:bc:b7:3a:8f:3a:23:33:c8:7f:5c:e1:39:81:7e:bf:92:85:47

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

Revocation information

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

Check the revocation status for certificate koulia.fi

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for koulia.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

koulia.fi
www.koulia.fi

Other certificates including the domain name koulia.fi

(limited to 100 certificates)
www.koulia.fi
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mail.koulia.fi
gtrainerdemo.koulia.fi
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gtrainerdemo.koulia.fi
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gtrainerdemo.koulia.fi
koulia.fi
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mail.koulia.fi
www.koulia.fi
gtrainerdemo.koulia.fi
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koulia.fi
www.koulia.fi
www.koulia.fi
koulia.fi
www.koulia.fi
mail.koulia.fi
koulia.fi
koulia.fi
mail.koulia.fi
www.koulia.fi
koulia.fi
gtrainerdemo.koulia.fi
koulia.fi
mail.koulia.fi
koulia.fi
mail.koulia.fi
gtrainerdemo.koulia.fi
koulia.fi
gtrainerdemo.koulia.fi
koulia.fi

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnhd4x18eERMBtxic6M6P
v+g1iF2iHYlLS6cf3voCDYjWAyOJxMQdn8tutMD4/v3PshDodXW7NIiCn3v3l6Yp
6T9pwVa2/Ejz/++iqnXWjgGCulucdh+Asvcg+ezyO9sw1m5BSAMLtbTx0i6qnsEe
ZIgvqX/esr1etptHvX+Xf4L+WrXDOD1zUaJcVmnHk/yGysJLq6M/PbP0FZWCPmKe
jRvsJVOensgx1VxRxP1gRkqzti3ntjI659mw7oO9JFnsE0U7HIe+R8Sx1nrxunV8
F4rQBHq2QANi2f228Aa4CDF63ng1sHY6m0MK17nPhe9fYKU/zEC31p3k2ZNGPlHy
YQIDAQAB
-----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 316346264425886207219510817237952783296249
 . . . . . . . . [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 2024-02-13 01:34:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-13 01:34:35 +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 'koulia.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 19957226556738288289840836791884152311776252654869610798948300906732451499780010901959342232627131843246580131724898700766813822433976534974713083226387571818319145564222265673552291018230288063967632115219396301389274823032225013049898251627747987463894720190647633461302289178649386161044945345500793958849394799830516622726779479634134002864727787644497685698886522605828864303305792062902186625906344884287065056241925077183190798567213855222878745241340545143011617236420614048643000121411858014615600164565338639734048394741713460527254073924270174983335257280787264372366495916674646684696453594760309451649633
 . . . . . . . . . . . . . . . . . . . . [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)
							c1d192702d5e74a60f4520a77f4b18ac143db7b2
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'koulia.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.koulia.fi'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018da050f37b000004030047304502210092097e44bd41dcf266ab16b292cf3ce1cfcc9a262647cde8a6f08dbc736a4774022041878cf0fa5c63f33852965cae6580209d267598e7e102e8f8b36bd97565734c00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018da050f55e0000040300463044022021dd30069b2c9666866a9909d8d308bce264e66a6e8885228991c8b22c2c89a502203e3d42a91f6ac3f4365abca014248dfd7e8ebb9c99d9fdc6f453007c653d7a65
 . . . . [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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