jamk-prd.atomi-education.prd.studyo.fi

Issued by R3

About this certificate

This digital certificate with serial number 04:66:44:d9:a4:ca:73:fc:bc:eb:2a:60:27:84:c8:69:c7:8a 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:
  • 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=jamk-prd.atomi-education.prd.studyo.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:66:44:d9:a4:ca:73:fc:bc:eb:2a:60:27:84:c8:69:c7:8a
Serial Number (int): 383249462727463546341046938377487628486538
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:d4:c0:30:2f:a9:91:97:8f:a9:0f:58:15:ff:07:8b:72:1c:a2:1f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b9:12:91:25:64:af:b8:c5:e8:71:1a:9e:ac:1b:9d:c8:c1:00:64:47
Fingerprint (sha256): 60:9e:f3:31:ae:1d:7a:24:f5:67:d6:55:68:65:12:fc:3d:c0:59:d0:be:c9:a1:42:ac:55:8a:ee:f0:fc:b1:42

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

Revocation information

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

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

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jamk-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

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

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Certificate

The complete raw certificate details for jamk-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 383249462727463546341046938377487628486538
 . . . . . . . . [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 2023-12-04 09:28:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 09:28:28 +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 'jamk-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 963956179737424062237799581815945611773520971845569885133281978869463745880305057467095011779289909666842069867881209408382265438715776967158266641320641405921582001746107573150971944587830111180732071579724937135682906965998957829273666579778264971938000029891357267709907791429921492445145996161233827629637421179711900729288729288484036446264267338666957534147182355987044382020837668559460129299236187010902175456282704233244941095559866777647356307553402490605620996426023680035940600538024214870836427391469092640882109377819325571502522674546003045828236217061695972072236185610160587028839422329452455674555231727009080716494713966007724277346863448419395979327575953993790914187484502825331618191839535016428299549700256916207277921620124427636455168527596352912890780254956211266741459297713477679012479213653755818583532973035986112175365928546378353181580341595462527622012255962852230579995568188156230642265649300949921004515782042904048285240043405939971286127406597641016750482903875168271015968881752691986924003086701849160580065719309644628717054362067080947802149944854037141349077268165674343222049054542284044262447286602907287199242596603550784472820465899193755769073930426128834011189220000771258354039299917
 . . . . . . . . . . . . . . . . . . . . [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)
							66d4c0302fa991978fa90f5815ff078b721ca21f
 . . . . . . . . . . . . . . . . [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 (84 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.jamk-prd.atomi-education.prd.studyo.fi'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jamk-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)
		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