*.learnmark.dk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:80:f5:cc:df:80:2e:2a:81:f4:1f:58:52:dd:91:bc:67:53 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=*.learnmark.dk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:80:f5:cc:df:80:2e:2a:81:f4:1f:58:52:dd:91:bc:67:53
Serial Number (int): 305219725381820142872054387140175578556243
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1a:57:da:cb:2c:52:e8:6e:aa:07:50:7b:1b:ba:d8:f9:d4:52:6e:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9d:d8:bc:63:18:4c:7b:87:bc:20:26:06:39:41:f2:ad:df:ab:6d:ae
Fingerprint (sha256): 65:c2:e1:59:2e:5f:83:eb:67:fe:ec:9c:0b:a0:24:1d:f2:32:19:04:f3:63:72:c2:03:d9:ae:c8:6d:b4:a9:b2

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate *.learnmark.dk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.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
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 *.learnmark.dk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg0wAVt+B+RzwJNIn4gQT
F44ts/2otM2WCD9VWpnoGwo89v26AYUhbIHpYU53lo0GbHdVP02Xmw1mDNLBLCS5
cZjxRaThEXNbk/nIm1xbQ1+0GZA2pG49yf7Qt+J5D+In2HPYgeV9KozzHyipJv5W
AnzXNIdy+oda7lF2T5X0xfg9Q9Hop0SWc6uU4THGJkqH0JS3qHMUVJtgdumdZewM
qnCE61WIa4GZUghdwu50V2TSYtAtTvXoOZFZMK18xUEoVpE4JkF51b83Fj1QcR4N
uZ4AZFaZYGGtwxsaWh+O8/fLMWpUQqnFD3aI9bOxnncY8h+R9tkIm+1Ewxo+0PEh
eQIDAQAB
-----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 305219725381820142872054387140175578556243
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-22 06:42:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-21 06:42:09 +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:12|false] UTF8String '*.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 16574695601007331205390303492150884744811285821831820937725668545375172778524041678052756250070708203268323751737980375516418127030778659120887395443569667383091947516688460707073998553684315810455685522238455509754090301845680195956257132832582216706862132389735331741396372428956023999105653166931893510441191234597035038796872025150828192569813174829512945874886293643685787736168192449922993016583123866048681939183920738909337367969802827195830725975961350635579216757661793452247714481042384299902296948474174978377703798772754134649542241545001297605338763442948809552294500532902225307445674443555526119858553
 . . . . . . . . . . . . . . . . . . . . [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)
							1a57dacb2c52e86eaa07507b1bbad8f9d4526ec8
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.learnmark.dk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fcc3390d80000040300473045022100ea055d4693b3556ce22ce91f159621ea948a9e6e3f7ed45e98a45dd65a00773002203b3670b5f35e1e708c96f6008e2e8888c7b30eab2a0ded580bdb617c7a5820c10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fcc3391f700000403004730450220686383de2a5370a1e4598dbafe75d49ccc8dd6a9d8b0ca8d31761abbac6ff48902210081cd86e6fefa79a14e966df0f8f325a76b048c985064affe0f5cf7bfb7a8984f
 . . . . [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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