env-9258023.jcloud.ik-server.com

Issued by R3

About this certificate

This digital certificate with serial number 04:6a:70:1f:c3:2b:6e:3e:48:16:c1:05:2d:6f:7c:cf:06:23 was issued on by Let's Encrypt.

With 5 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=env-9258023.jcloud.ik-server.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6a:70:1f:c3:2b:6e:3e:48:16:c1:05:2d:6f:7c:cf:06:23
Serial Number (int): 384668113075901791216135404194057759426083
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3b:8b:25:e6:43:13:05:2b:c6:f9:dd:38:0f:3b:53:90:55:30:35:3a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 86:de:b2:1f:91:9b:16:0e:c9:f6:29:df:b0:a9:b3:01:69:ce:67:6e
Fingerprint (sha256): cd:b4:36:5a:2b:ba:9a:7a:53:b1:32:ac:90:20:1f:e8:c7:1d:6b:99:1d:c9:4f:30:f2:ff:d7:93:21:e3:58:80

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

Revocation information

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

Check the revocation status for certificate env-9258023.jcloud.ik-server.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for env-9258023.jcloud.ik-server.com

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

env-9258023.jcloud.ik-server.com
teacher-switch.ch
teacher-switch.li
teacherswitch.ch
teacherswitch.li

Other certificates including the domain name env-9258023.jcloud.ik-server.com

(limited to 100 certificates)
env-9258023.jcloud.ik-server.com
env-9258023.jcloud.ik-server.com
env-9258023.jcloud.ik-server.com
env-9258023.jcloud.ik-server.com

Certificate

The complete raw certificate details for env-9258023.jcloud.ik-server.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAttGPppxPq5NF1cxV9h8X
aiFB58s9hRhLIugDRpwqY33bo41gTkrU+whMF+BBaWm1t+rVYJ6+gWz1BFmguGlG
JVILmxxw5vHRydJcLmXqNkw9UtlU7DgN7OhW4aHCAl9/tyfbBdrDVu35xlrVNxRE
gEQ41Vf2sYzOf78LZskaPGiI48Ik3RdyaDxwUwLUdJYL2bBcfKJo0yzwn9Ws3KyN
PLadNBA6S4ecZZF3Vuvx0gRCAH5Iq9s1JTQDP8AYxcWp47itotnDMpmum/9eNsX0
FPtuBmHz4MnHX827DpxEnJ90OZSdlz2pbbw03e5L9LwenTceWlznzO6dxib1v67R
AwIDAQAB
-----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 384668113075901791216135404194057759426083
 . . . . . . . . [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 2024-01-15 09:01:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-14 09:01:16 +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 'env-9258023.jcloud.ik-server.com'
 . . . . . . . . [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 23078709951473708454589763507029350135384133409052024430032075933663247964950229649809732034069101657377138834734540383462480770180462063267774570264255968214558485371897385804800740795264083558274947944200773971799473541218074336789024495659282314044550648721877134716532011391010906150316498921555550612475120868575322417022349111261249054844496998101138029248450858019896118139652267006612582117708277194322840912354170003326210913744818983074023152655658108002769328307073978871144237194582239501666243585184644979433852848338884304946954194360799192846629499388667450960779267349753575460479214086619429948281091
 . . . . . . . . . . . . . . . . . . . . [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)
							3b8b25e64313052bc6f9dd380f3b53905530353a
 . . . . . . . . . . . . . . . . [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 (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'env-9258023.jcloud.ik-server.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'teacher-switch.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'teacher-switch.li'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'teacherswitch.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'teacherswitch.li'
 . . . . . . . . . . . . . . . . [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)
							00ef00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d0c917ef30000040300473045022021ac1538b343f96d955bb3421a07d2dd8c5297e7196aa2bdf9521db97b848b6b022100f362a5bcbc38e0d93ffa982d538ed1f7643ba8fe8465e3419be83c75daf9e1970075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0c91808f000004030046304402204f45be115d30571c7b42792e3797411cf70c92688d4c8a8a20ec6448939a711d02204bd47796822acb2dced32e12317fecab24042715180fc3f697a14d270b7fc7ab
 . . . . [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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