portfolio.e-klassenzimmer.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:45:7e:77:5f:29:9f:da:7d:21:00:43:bc:a0:24:da:14:3b 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=portfolio.e-klassenzimmer.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:45:7e:77:5f:29:9f:da:7d:21:00:43:bc:a0:24:da:14:3b
Serial Number (int): 372096729585507544873230490692350161589307
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f4:43:74:31:f9:36:88:59:ba:26:ed:00:65:0a:b6:f4:ed:3a:52:26
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 18:be:93:74:23:82:e9:9c:a1:17:bd:f7:87:37:7a:1c:63:d8:32:a1
Fingerprint (sha256): e4:68:a1:d3:2f:13:6d:20:e9:78:52:27:91:63:06:33:b5:6a:71:ea:a6:93:4c:df:5a:aa:40:97:b8:07:bf:b3

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

Revocation information

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

Check the revocation status for certificate portfolio.e-klassenzimmer.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for portfolio.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

portfolio.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 portfolio.e-klassenzimmer.ch in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBjCCA+6gAwIBAgISBEV+d18pn9p9IQBDvKAk2hQ7MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMjkwMDA5MjBaFw0yNDAzMjgwMDA5MTlaMCcxJTAjBgNVBAMT
HHBvcnRmb2xpby5lLWtsYXNzZW56aW1tZXIuY2gwggEiMA0GCSqGSIb3DQEBAQUA
A4IBDwAwggEKAoIBAQDH2VTrVAzmtkatN2Eoa03mSctDu6AXZcpeiaYihsnhTZqm
9yeGhhbcI8l069Dc1yL1hbJZX4GLpCU35TyptQVkYiaID3BDHpxNO3JdZ5nwwgSC
dF8LpDhBOGiZVHOiV9vzf3PrxjE2pcFTUQfFhQK2D4XqIIyhHDKWm84JScyfMMBV
+euuMOn5KJgGm3yIf5DOOZJPGuKOq3eajIlTQaLaUUg7FOL359mWt05xidNbm2Jy
JOhTaFj2yIV/ZCN76SURubpvT3PVRq1u5Hqs1rlhay2uPdjIq6w1eD0Z1MUSZjaU
JrkRL+ShZYvE9J3oTu6NTPCbCYSPmgF17C0RlkT9AgMBAAGjggIfMIICGzAOBgNV
HQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1Ud
EwEB/wQCMAAwHQYDVR0OBBYEFPRDdDH5NohZuibtAGUKtvTtOlImMB8GA1UdIwQY
MBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEF
BQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8v
cjMuaS5sZW5jci5vcmcvMCcGA1UdEQQgMB6CHHBvcnRmb2xpby5lLWtsYXNzZW56
aW1tZXIuY2gwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEFBgorBgEEAdZ5AgQCBIH2
BIHzAPEAdgCi4r/WHt4vLweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAYyzHltj
AAAEAwBHMEUCIQDewRNMvC3FEIly2TAgsvoOC6c0C5t8ZRKei/dxN/IvFQIgGwaO
+iXL5PoljjQrMrF+kyNRYE9PxmNyN9MkE4j8cjYAdwB2/4g/Crb7lVHCYcz1h7o0
tKTNuyncaEIKn+ZnTFo6dAAAAYyzHluwAAAEAwBIMEYCIQCU9cWH713vMFwcTYsN
wEgHSYBAzi6s9kQ//IM9d++8DgIhAKrHSUfng0WdHgdtHyHpm8p6qhBC6Dd4SM5h
LN3rEEMpMA0GCSqGSIb3DQEBCwUAA4IBAQAZbDHxHd5yqcMR6MSVTNTrZUlftKan
oVyN+WwBgAyF3R0zWZ2fVlrKed45PPjODZu3wnP2devgb5UQHU6fC8f5yybP+6x1
OD5/PsSHgF1seyRmSWnMcDZU/gcmkdopWyiA8xJOu5ZxpVOpE4maFBdajGq9S+/x
V9V9ZAIUwbRbewflgnRxXcZNVFEp0DsqzcUyOH1DZgXgVDtodBVal1MUSb3Q5RIj
xblsZFIHKdFIRdIwGbdPHgaY68+XTifLBluzqFC18ILjmOj6jXDNPDgViCZcZG4r
eZ6k0GmpC8pBP9oU3QQ/Zh6dpmkckxvm2A0i8rrq/peJv/tOZac7LjUO
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx9lU61QM5rZGrTdhKGtN
5knLQ7ugF2XKXommIobJ4U2apvcnhoYW3CPJdOvQ3Nci9YWyWV+Bi6QlN+U8qbUF
ZGImiA9wQx6cTTtyXWeZ8MIEgnRfC6Q4QThomVRzolfb839z68YxNqXBU1EHxYUC
tg+F6iCMoRwylpvOCUnMnzDAVfnrrjDp+SiYBpt8iH+QzjmSTxrijqt3moyJU0Gi
2lFIOxTi9+fZlrdOcYnTW5ticiToU2hY9siFf2Qje+klEbm6b09z1UatbuR6rNa5
YWstrj3YyKusNXg9GdTFEmY2lCa5ES/koWWLxPSd6E7ujUzwmwmEj5oBdewtEZZE
/QIDAQAB
-----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 372096729585507544873230490692350161589307
 . . . . . . . . [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 2023-12-29 00:09:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-28 00:09:19 +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 'portfolio.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 25228592951609499314513919994894561017091114510903508400419604560379540991711074651413658528651161397686695376378880083309749214285016607587385120564902565894170778484958057403953400917754420460931345118924564697414664537887472259690177260377764344638965324683216453252745982043237090205635181603362931261653185062479858890723890329678518579069499413714028154095406374219866423453789047542722361350981359628754351111850429902313462303755351185650152212889082592558043374350891209049457158907755157633763824895497646723663263329785328533034391401483467942986024433587591462069324491703150147522954168558105490521212157
 . . . . . . . . . . . . . . . . . . . . [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)
							f4437431f9368859ba26ed00650ab6f4ed3a5226
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'portfolio.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)
							00f1007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018cb31e5b630000040300473045022100dec1134cbc2dc5108972d93020b2fa0e0ba7340b9b7c65129e8bf77137f22f1502201b068efa25cbe4fa258e342b32b17e932351604f4fc6637237d3241388fc723600770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cb31e5bb0000004030048304602210094f5c587ef5def305c1c4d8b0dc04807498040ce2eacf6443ffc833d77efbc0e022100aac74947e783459d1e076d1f21e99bca7aaa1042e8377848ce612cddeb104329
 . . . . [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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