www.learnmark.dk

Issued by R3

About this certificate

This digital certificate with serial number 04:e4:fe:7c:05:48:a6:c4:f2:fa:50:85:e8:8d:60:f6:43:29 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=www.learnmark.dk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e4:fe:7c:05:48:a6:c4:f2:fa:50:85:e8:8d:60:f6:43:29
Serial Number (int): 426371791247922871534295062626898189632297
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dc:9f:31:79:89:6d:94:3c:a4:e5:71:97:d8:49:a7:8b:c7:13:af:17
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 90:be:a2:89:08:70:05:de:d2:92:ed:c3:08:55:10:fa:ef:07:19:fa
Fingerprint (sha256): 75:81:e0:77:25:6d:16:9a:6b:8e:35:32:b9:04:a6:e7:79:a9:fe:a9:80:4c:d5:6e:e6:94:e0:33:07:25:0a:28

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

Revocation information

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

Check the revocation status for certificate www.learnmark.dk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.learnmark.dk

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

learnmark.dk
www.learnmark.dk

Other certificates including the domain name learnmark.dk

(limited to 100 certificates)
www.learnmark.dk
*.learnmark.dk
mit.learnmark.dk
www.learnmark.dk
*.learnmark.dk
mit.learnmark.dk
mit.learnmark.dk
mit.learnmark.dk
*.learnmark.dk
*.learnmark.dk
mit.learnmark.dk
www.learnmark.dk
www.learnmark.dk
www.learnmark.dk
www.learnmark.dk
www.learnmark.dk
*.learnmark.dk
mit.learnmark.dk
www.learnmark.dk
mit.learnmark.dk
*.learnmark.dk
www.learnmark.dk
mit.learnmark.dk
*.learnmark.dk

Certificate

The complete raw certificate details for www.learnmark.dk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn+QTti2IeXcNzRKo17dA
TG3KVbnqsAGUN6wU3vdv80SbqSB2TC2RVKwUkgtc9vd7VesbmdjYUB4GWhykJWhs
f/XIBgAlkAsGDdSWn9V+ihK9vedztxd3Udy+9653vWdJfKPy5kbqZcGQP9ZZwCcQ
XYDoIYQrsbMyFBnWfzxONfLIKH5E5P+xrtRylv4iyyFN7xu1mTtF82opCtNX6WQe
82T3r5iUOfoZX/j3Ru4k0KLjGJo1BJ5TRWbfPbjwVSnN2+HP5n+LSkETRisTxb8K
xWmHKnDg2HxM7SQX6KG2LDjLUvEgIX34U+xV5y25MlrQxWoyVJ8xfvewTQg8JgJq
/QIDAQAB
-----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 426371791247922871534295062626898189632297
 . . . . . . . . [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 2023-07-06 21:16:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-04 21:16:49 +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 'www.learnmark.dk'
 . . . . . . . . [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 20184359449370564191276856267932017089111487197727922610580603719145000447656416526414803457917259550116651462661635538075786769073408519513719683883450565322377546906852831943023679274472673555499778431750489722370854795386492540835116467941006021664026771972989445354693051423231870438892910952259558941464971965742426992945814934785593678291696448409092900489833860579962059006255101020610603315200231282983927433139589305287023486306152442938682546638854994517131779240751413374237979792425680514277551099814790221056104182444712698440105003194009223660597196205955507670960984905727205950009416308221319984605949
 . . . . . . . . . . . . . . . . . . . . [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)
							dc9f3179896d943ca4e57197d849a78bc713af17
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learnmark.dk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.learnmark.dk'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001892d478b9c000004030046304402200d7f2086a6e4e025e2d5c7b5a401b24c58e81932a04a5a7a62a45df25fc6e0d002200419b44cc91ca6f2bcd145d693ede54ec0b78786f61c8fe53ef72265810eddb30076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001892d478bc70000040300473045022100a3c39a2002bbf8d3aff0b64055a81cde78754e674f4eec91555d9fb617625a4a02203961689ff6eb8c8753c35054fae82bab56f0f63213790cc4a416cc9b1e4802d2
 . . . . [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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