tredu-prd.atomi-education.prd.studyo.fi

Issued by R3

About this certificate

This digital certificate with serial number 03:54:25:d8:c5:20:ab:c1:77:40:c2:a3:5b:ac:50:1b:27:db 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=tredu-prd.atomi-education.prd.studyo.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:54:25:d8:c5:20:ab:c1:77:40:c2:a3:5b:ac:50:1b:27:db
Serial Number (int): 289970883586828205223214765167753956108251
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:ce:64:79:29:f1:86:97:91:08:29:05:8e:1d:48:a4:07:35:71:a4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 17:2b:31:84:dc:84:cc:02:e0:cd:42:71:d5:01:da:4c:bc:a5:0f:d4
Fingerprint (sha256): a7:6e:08:79:60:d1:91:14:21:93:a1:24:b2:5c:c6:1c:02:4a:4d:df:90:41:04:d0:19:77:48:aa:10:51:0d:f4

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

Revocation information

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

Check the revocation status for certificate tredu-prd.atomi-education.prd.studyo.fi

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tredu-prd.atomi-education.prd.studyo.fi

Public Key Algorithm

RSA

Key Size

4096

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

*.tredu-prd.atomi-education.prd.studyo.fi
tredu-prd.atomi-education.prd.studyo.fi

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Certificate

The complete raw certificate details for tredu-prd.atomi-education.prd.studyo.fi in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 289970883586828205223214765167753956108251
 . . . . . . . . [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 2024-04-04 05:41:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-03 05:41:12 +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 'tredu-prd.atomi-education.prd.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 937097657824074940796698890072865499621729945571632916946523252525046639641989898931792725076200573159277745620766794170052432374926273064183319400814331563083620514504666702128869314509819568899514688266547251792533486296881322195073679642370029327178116547194633616968195932254013176204894410949166383093770360549765469134555852408092423175375123641213364676357855635562662301036083815270577694961204667798021474468313680382621978481624770787191171898031641952228090645572663083931633987779677578523617934242401478794920794085698273341431218932662209184172405137524213276975425801363097053674328542286007479296282458377523170350476603931115530105156067701104463067188316855666227397374216744357751507697688231502777365085677686073297840679206029698528844851290870315294215039015524015090719855259596038891044664707050507675764789699253963723820209777539590598977005911107812543400757533868785917403414217093763157414870695374170939699863270217744224937626577042710447780420228188327990052109560939583810384676326088954575402009105887345542975686443931989184878524205402966743733224197979442197239221766964556418020329160343217972993466270101562250677669809675142173771226116168648181106243857593894834885162836044332532230117663689
 . . . . . . . . . . . . . . . . . . . . [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)
							80ce647929f18697910829058e1d48a4073571a4
 . . . . . . . . . . . . . . . . [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 (86 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.tredu-prd.atomi-education.prd.studyo.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tredu-prd.atomi-education.prd.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 (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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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)
		00185bbd3b60e465d53ea83b3571ea4ca1c0fdc1a1b854e5e355847cdc319cc1f2bddd868059d4184915b74653622e405c82af33e00720fe3d0dff3266e441f5ff49895eb4c35a5b5177db6289bb0496d662143a6ada8122817bf6702b85a96b08c64c752e3d169a0ea5fd4a8abdeda731848b3ec29998c55acc37c077d4e83e6f873e22060768c975968227426f1fc09a5c327e2d53bb78e65d69e542e11c7f198424c43f6d6d28645eb70a3aac330e5bbf5ec7fef15ddbf5d80df68e37489a2a40db5d215a4c8472fb62a24940733584f1db4016ac60c36802c6db55bd3833c0bc8abeedd5548c95217d2f6e3f896ca26ee0455ebbbb51f327c6a3c883691da8