www.learnmark.dk

Issued by R3

About this certificate

This digital certificate with serial number 03:29:1e:0e:34:2a:2a:4e:54:68:c5:38:94:99:9b:d6:11:c9 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): 03:29:1e:0e:34:2a:2a:4e:54:68:c5:38:94:99:9b:d6:11:c9
Serial Number (int): 275328385429094759186367818925933107483081
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:d5:47:1f:df:83:73:ff:d1:6f:9d:e9:af:fa:ed:db:e1:e9:5c:5b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:43:21:d0:48:a0:96:0d:df:d7:20:ca:b9:6d:4f:f5:26:d5:57:95
Fingerprint (sha256): 87:ee:9f:cb:bf:95:ca:f7:d8:2d:76:26:b3:f6:bf:6c:b2:17:0d:05:22:ed:ae:21:87:1a:59:e0:3c:cf:cc:e0

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAshAy4Ic9WRelK5mXYtoF
giRbnHjeVmPBbWFtMB03uPG0+SWRd9lUG1l/g07SBOpFPCP6NAK7KKCPOhrI7D9l
elaJVbgnGPPv7swhfkWvhhgN1sCt0FhlJVWgErj0Jb9PpWufXFBSAP1Z/1pomCaZ
W7c9wlUQvbd3peryJRaTXCVN4wHWZvssgXojFNPMXfEq2jNd/QC1wnNKsjUF1uRs
M/Z3VtefcHTQEG5+9DCPlVM9egL5aO3aW4lqwps5OUp0HYHM5Me02sLeIyM/sg02
Q7plAIkZF9KQSunJieWcdx+i6qoV3xNiXlhOfqauJYlXkCbw+CLqszepcG2pbaNJ
MwIDAQAB
-----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 275328385429094759186367818925933107483081
 . . . . . . . . [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 2023-03-30 16:19:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-28 16:19:04 +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 22478406179640359595476863883796355613916638772584411559093876747684814530263185630448744294320859850935770324536214349099897658169447441146824914561027898529192498716879019408181899754820459620997246691889199942058235917962211683697143958129563237562597406293978997788652731852482064614378208231491518275527707955410822858418092694517467520692342606168903407573495292091837259177449464849512095919872785022531353389337610817200878574775061105089138744456564739175697616084570825559914190270162195494233205226887910615559424659236448357141848552268136837825550414500696310633171494364545160666827909877600467745458483
 . . . . . . . . . . . . . . . . . . . . [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)
							bad5471fdf8373ffd16f9de9affaeddbe1e95c5b
 . . . . . . . . . . . . . . . . [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 (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)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001873387b85c00000403004730450221009813e06c86669768a019a5409844711af1c90108fcf4ed7be2cb548d0d9d8d8302206ea8fca3dee53eeb28c2402ce274760816d3eb420ad900f35a0920853a01045a007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001873387b8870000040300473045022018e74e31a9395ade56bc78d5885a6b6d44ecf26e62b8f1a064fbaa1d7f88815f022100dd9d4381bf7906b1d12f13a76960b2691442fddb3a9302df5d3bb7f92b25905f
 . . . . [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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