e-klassenzimmer.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:c7:b2:bb:e7:21:cd:49:68:39:71:12:63:c9:c8:f5:d8:a9 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=e-klassenzimmer.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c7:b2:bb:e7:21:cd:49:68:39:71:12:63:c9:c8:f5:d8:a9
Serial Number (int): 329290627043224436184517183240522381514921
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:7c:59:97:23:48:3a:97:15:20:de:73:f4:ee:21:f4:2a:ee:93:1e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 04:03:69:aa:86:1d:6e:22:91:c4:57:36:c6:54:3d:76:a7:31:05:cd
Fingerprint (sha256): d6:00:09:bf:31:eb:7c:fc:b8:80:1c:60:ad:82:75:8a:0b:da:77:8e:5f:10:59:b1:50:2b:f7:eb:2d:03:14:b6

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

Revocation information

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

Check the revocation status for certificate e-klassenzimmer.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for e-klassenzimmer.ch

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

e-klassenzimmer.ch

Other certificates including the domain name e-klassenzimmer.ch

(limited to 100 certificates)
www.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
www.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
www.e-klassenzimmer.ch
e-klassenzimmer.ch
beta.e-klassenzimmer.ch
e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
www.alt.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
elgg.e-klassenzimmer.ch
www.elgg.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
beta.e-klassenzimmer.ch
alt.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch
www.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
portfolio.e-klassenzimmer.ch
www.portfolio.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch
e-klassenzimmer.ch
www.e-klassenzimmer.ch

Certificate

The complete raw certificate details for e-klassenzimmer.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7PUGeiz2FoxBS7Zvzq7c
S79BAq42apnfnX6UHABaRQDOiL6BhnFnCWc50/pqjkJIfdqDo7DaH1eoye2YcX/f
0zBdd+hUPMxaY+2/PysaCa3WqOTr85Gp3Xomg3GCm47YpcNJk4+Svsb0gXPWZKaK
TLSLPL4HBfNe/fXw0M1zXHAfMki5YsxvaX9gspANOHQndd7uiL3yJVB9a7jiLV+P
8IVfnES5u/TsiAnY13hxssgAhp7OyDbkz9m7M/py1Ku0F85k7r/rDwnPFBLMBuA0
Xx2Z8e5cXZK0/ek+FLO54Yb4UDMt/2BV2jYEctAViiKwanFLYRlkVntlGA9uIhBk
XQIDAQAB
-----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 329290627043224436184517183240522381514921
 . . . . . . . . [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 2023-12-30 23:20:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-29 23:20:35 +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 'e-klassenzimmer.ch'
 . . . . . . . . [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 29913066451548391791741877741699589919700459563581531790316375651288176005676478904057942085774376793469058167511905999521490540498387727525065862411445375491588306283183544840068782029713808951848201826774636830343875777964900241146381044483256308878995077930735933273710980515543413682860723291131315614808633191566732526247435953986234267302947137786548274658815073323467547739694625989341572685913901342110985469715909177033194862584863530355154081837396200623928772756544764095981033898590424611524246723095657813109002210458412664039048333037477347422902957727743288331619432650687706619600455372644608235299933
 . . . . . . . . . . . . . . . . . . . . [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)
							d27c599723483a971520de73f4ee21f42aee931e
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'e-klassenzimmer.ch'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cbd3e76aa000004030047304502206dd03e65e4b58ea28d044370ac9e7eadec7c01fafcbdee5719bc4d0e90bcb24e022100804ef3fe8e08a63ad622dbff72781cdd306b0170fe439400694ef7b526252d7a007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018cbd3e76a90000040300483046022100c4baa4d080c90afe4755b6ea9cdf7c3fe1d03ecba465f069daaa357c56743fc0022100ca8e59c383ab088ecac7aebf178da0d45a15754deb7d18b46b864ff7b3abe8b6
 . . . . [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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