studyo.fi

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3f:22:a0:96:36:8d:60:6d:ae:e8:51:df:89:4e:22:95:bb 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=studyo.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3f:22:a0:96:36:8d:60:6d:ae:e8:51:df:89:4e:22:95:bb
Serial Number (int): 282820674477337431134912344085179140314555
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:cc:1e:bb:57:9b:40:d6:9f:8a:72:c6:ea:33:2a:c2:b5:ac:4e:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 41:11:2f:ec:23:37:e6:f6:40:07:2b:17:7e:ca:a0:0a:bd:3e:23:fc
Fingerprint (sha256): 28:7e:13:4b:53:83:68:5c:ba:ff:da:b7:c9:f0:7f:6c:b1:35:b1:67:5f:b2:47:65:1c:4b:3d:d0:17:fc:96:73

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate studyo.fi

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for studyo.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

studyo.fi
www.studyo.fi

Other certificates including the domain name studyo.fi

(limited to 100 certificates)
studyo.fi
ttly.co
masanageliyo.com
studyo.fi
www.barkoczybalazs.hu
studyo.fi
strnmd.com
www.kusdiana.com
www.viscalc.app
studyo.fi
auth.atomi.studyo.fi
app.drinkko.com
studyo.fi
atomi.studyo.fi
jamk-prd.atomi-education.prd.studyo.fi
macherie.nou-nou.co.za
studyo.fi
egift-app.ru
www.studyo.fi
studyo.fi
bumpme.in
firebulk.com
atomi.studyo.fi
www.runitlater.com
demopeppi.studyo.fi
studyo.fi
app.mixo.io
ekami-prd.atomi-education.prd.studyo.fi
studyo.fi
studyo.fi
apollo.thakaa.sa
demopeppi.studyo.fi
atomi.studyo.fi
tredu-prd.atomi-education.prd.studyo.fi
atomi.studyo.fi
myt.care
thestartupreneur.co
demopeppi.studyo.fi
studyo.fi
studyo.top.dev.studyo.fi
demopeppi.studyo.fi
studyo.fi
atomi.studyo.fi
www.millionways.org
demopeppi.studyo.fi
ionictech.hk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuIeuhP0vA3FVtJW9o7SJ
cfgD0rXEaAKFhO0RNuqesKHLeeZkunTbaWwiLU1bv+WPN9u9PL+HmKWw1UcQxsGk
N6iwqgMp8v6qZGpy/+n+Z1Z4LJ2bahq92xZSuj1D3b0smNf8g4T/YTyoqH51PhX3
LCobILVaYfIr3wLe7Wzk+HhuHurr8DyU/vvqpilZG7B5J0sIQ3ByVuI6CE1OcxCE
6ldPdbuBGn0X2W21isgkLii090i3FiUw67AZUjGxOhxfkFbBUQJ0NdHKBVM/xnxi
E/M60V6NbOZuyNH1as7kj3ala4HlvG6pOGpJXG2deO9zY8NNZ3DxddwmPs68iqYv
RwIDAQAB
-----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 282820674477337431134912344085179140314555
 . . . . . . . . [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 2019-08-28 09:07:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-26 09:07:49 +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 'studyo.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 23294755261948305686372992390000842508482852503574410185338234692641872473984685090732623886235631280508049985525449945948320035406696788873484231829838182831982999206668468151451500625456294981933330729516180302364482953340272109452709968967388270238950258780518659719479218185539705391243996123183348254267541786211850279861314470983565921787068040604691184348743692674523889617256381997308827751631134455258307868722688437680986229643637819705752916521646141657729606226088090853234855567444728330019574887759684124596654492195710824603835245632261067541704303219029180604398066538853831434427414289867472596512583
 . . . . . . . . . . . . . . . . . . . . [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)
							dccc1ebb579b40d69f8a72c6ea332ac2b5ac4eed
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'studyo.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.studyo.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cd7b21acd000004030047304502202e42d1eec17e7535e9f72cb017b3956865a65160bdde8588dcc7f181a34a1b09022100b33906d3199d932dec6d749940ec407496db1d1e4919a0c0cc7f14f851956344007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cd7b21aea000004030047304502201078b126685fd3b664d38ce82f523508ce24ca7dcb381f04e4a9a2de8cd4f2fe022100a94c582c45c089455b80e3f65852d4a1a471d00cfc61c4b8a198677ae92403e7
 . . . . [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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