casus.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:bc:e5:c1:73:42:ff:4f:45:69:95:62:e7:cc:e3:7a:6d:9b 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=casus.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bc:e5:c1:73:42:ff:4f:45:69:95:62:e7:cc:e3:7a:6d:9b
Serial Number (int): 412727626370291038330555999859907797609883
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2d:8d:8e:3b:41:c8:85:0a:4b:1e:ae:8e:24:2e:47:cb:6f:fb:bc:7b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7c:e9:6c:45:59:97:b5:cc:94:bb:0f:91:e7:26:92:10:18:bf:15:47
Fingerprint (sha256): 07:d3:95:66:27:52:50:f5:05:c9:b5:bb:5b:89:0f:f1:12:39:b9:b7:1a:69:d6:d9:e3:6b:38:73:02:e8:2e:a0

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

Revocation information

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

Check the revocation status for certificate casus.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for casus.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

casus.ch

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Certificate

The complete raw certificate details for casus.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo9cyTr+87JY3t3MOf8ci
5SYWDDV5q1Y4+gT1LhXaTZLgDJrhJ9mVr0m64WQL8l+s/GTY17m0izymIXf0TNoP
WhcIxWaiSKJUbhd8PWuZBNB6wliNpPizIOPMUMsD/HBKgfyVNYP+YghZrvcqt8cK
SKCpczfu8v4urAIja3md4Sy9kuigcHTgp/7ZnJioggUSNGaWzNn9WpPpGi/IaGlg
NOYED0B9S4HZz0YsgD1wXGOV5yn/LqaRa3JGNlJn770p9ITA3n7sEm3nW4iC+LWL
mhOMSBspcJ20VFQfwfl8ezUKyvEvC3hkfhXkMWWZ21Zt/fbcMeZ/oybeSLwADk/S
KwIDAQAB
-----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 412727626370291038330555999859907797609883
 . . . . . . . . [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 2023-11-22 21:12:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 21:12:52 +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 'casus.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 20682961065625206083534572374465483126956734933434520835861806599910374300309077417745527105785599164269128294232604566968251270964567740710583736022591796076639333152491547388518630035514557719547163154958308303351574650765810309069902222489233688547931237131476783764475826522106719745910947389681658931241505104079910557493089719139751841899401312104088212102552922504967646085714676657960668866402929832208082679480524939037129576825787490033979002776211100510420986881301247075443833884210831711897684888316100015636102626941433900518477906302759930094277255482550419077520002005392701960767329729914508799889963
 . . . . . . . . . . . . . . . . . . . . [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)
							2d8d8e3b41c8850a4b1eae8e242e47cb6ffbbc7b
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'casus.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bf917df9400000403004730450221009afd4b0c3c8787f0da0600de824425e64b4aec0d6845acea369a9c49bb2ee99c02204034b6199b3932f175144bf50ad622342e3f2310943dfb96417e16136f63aade0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf917df920000040300473045022051ae2640aa699f2246861de1af3a25f2d7df90eeaf53eceb2ee76030ec6db3dc0221008979a2a5584ded5918e4563f949d3bf9c26d19e9de554976b6321ac1ebf286e5
 . . . . [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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