app.kvikmat.gyldendal.dk

Issued by R3

About this certificate

This digital certificate with serial number 03:93:90:39:d9:37:53:25:25:05:81:07:99:2a:5f:a0:fc:1f was issued on by Let's Encrypt.

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=app.kvikmat.gyldendal.dk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:93:90:39:d9:37:53:25:25:05:81:07:99:2a:5f:a0:fc:1f
Serial Number (int): 311550074930638823531457349356129538341919
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a8:1b:9e:02:e5:33:2b:01:6d:a6:d4:85:b7:47:00:e2:a0:38:04:ac
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fe:91:52:e7:01:0a:59:76:d5:79:7e:1d:63:a4:86:d5:86:1d:46:cf
Fingerprint (sha256): 02:a4:2a:0f:4b:46:23:5f:13:cb:b7:b5:45:6b:99:6d:80:18:6b:d5:04:08:43:3f:29:24:4b:f6:53:cf:b2:69

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

Revocation information

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

Check the revocation status for certificate app.kvikmat.gyldendal.dk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.kvikmat.gyldendal.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

app.kvikmat.gyldendal.dk

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Certificate

The complete raw certificate details for app.kvikmat.gyldendal.dk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsuGbT3aMOEdyPvdLZv8s
UrG5Pyvh5PGkn5Sub/a+Ve+mZVyweCejjqqFHMTK8918FSDhmyZb7BCnvCOx2xEB
Bt66Hm9T0iutgEepmI6YIdrvOXSO3BKyFu7T36aOgfcBzuCU4gVhAVad2Yc8AzK3
z7zYgsUidl/+Ci0ZwMCBeSIze7UbQw+cOPrg/VhgenYkBP0ZFFv+cIKtI/2M0JGA
5WCJdun3EjWmAo/su/g+UTh6mpGqI9mr4gpjyfANPgNZxh8dI7FHOrKeC4pXSuKj
8aUxS1pG8jDbhqqqeJx4HzUetWTb0VU4LaR+iurpaPdJRiKlR2/MpMlZvmsFRPl+
pwIDAQAB
-----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 311550074930638823531457349356129538341919
 . . . . . . . . [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 2023-09-20 13:53:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 13:53:29 +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 'app.kvikmat.gyldendal.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 22581669084862036757084585795677810039374269394121709279785491921894397970732430756381221851347231873039642555680212553704318893063017831714222058127579930359729814856063115576180467141784525836913499575751502495547116369316401705110784540271114851474217862412157301344621867207599135119956265162202770554564513411045718297328146762408925855002170541633135955091181774714599172823033549513211263965723876034933902845130873278330037375261030230092727149385394956739169272910886667870948382350298924764383911319533497760772192509028476737666262362293600626690062681834327482093688956164086528700491794585983699283181223
 . . . . . . . . . . . . . . . . . . . . [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)
							a81b9e02e5332b016da6d485b74700e2a03804ac
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.kvikmat.gyldendal.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ab314f98b000004030046304402202bd08bd0ce5c00743c9e9f5fc5d91bbab156ac6e82a4bffa1a216e81ea7a5bee02206605d5a35811ef675c48db4eedac075170a95ce673c461d4cc36854618cc1f9d007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ab314f98c0000040300463044022072f0cd640be84e1d34c6ebead33b7208f74bcd770cc6207e7e3fec541fd6bb2802202adbeac1f9b82e8c41dc51f6146b708593234082886f140f699d3e4d8f77e94c
 . . . . [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)
		00186686561e48baceea872bed1d27cfc5be8d9b21caa39b7caa989179280a6c9f73522ca76fddb4a891a2bff993b65c362b2c15604f4d4564711b302ac50a7ed9a47f7968216a1ff7b79f36a7fc9f4efc1c90799c708fc4378f072362c622d99336910135afdfccb5d8a55c330b5f099afa14dc08be159750cdbf5a4f166c68fb58e5da4527891f47fe1c0ed8796c125ed916ece46f5103dff2e3d1038ae97c29a2dbdd7d90a8fbd0ef8f3a7584c9b13d5c81176cbf545c23be5efe97c9feee7ac1a93a83c8166de2efc34f35c414935a36807d4a85904a59efa79fe60615d2606ce55704f06d9243dd31558e5f8e5de36cb4236d67b8cef73ec4424d633144cf