lu-cy.ch
Issued by R3
About this certificate
This digital certificate with serial number 04:b0:b6:a1:84:5b:8c:e4:9d:79:8b:47:0b:4d:e3:02:a6:57 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:
- 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=lu-cy.ch
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:b0:b6:a1:84:5b:8c:e4:9d:79:8b:47:0b:4d:e3:02:a6:57Serial Number (int): 408581598444684669703100256186301774210647
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: fb:17:f0:a0:c6:d6:52:06:b7:c2:dd:57:15:db:5c:ea:68:69:6d:56
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): cb:b3:b5:f0:c8:9f:f9:fc:1c:dc:1e:9b:18:f9:e8:5e:e4:a1:6b:53
Fingerprint (sha256): 1d:d9:d9:34:83:47:ae:77:6a:a0:84:e6:0e:b3:09:f6:c0:04:a2:07:59:6a:eb:70:a9:5b:62:01:32:90:fc:80
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate lu-cy.ch
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for lu-cy.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
lu-cy.ch
www.lu-cy.ch
www.lu-cy.ch
Other certificates including the domain name lu-cy.ch
(limited to 100 certificates)
Certificate
The complete raw certificate details for lu-cy.ch in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE6zCCA9OgAwIBAgISBLC2oYRbjOSdeYtHC03jAqZXMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMjMxNjQ5MjJaFw0yNDAzMjIxNjQ5MjFaMBMxETAPBgNVBAMT CGx1LWN5LmNoMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxlZEPVpF n2RWPWLCIm7A8gv5eFt24n/XVr5ERlrzJY4wfT0TMp8fcqYBg8vNU/mWaWWJorhc xFK/riDRtj/qWL/Pnr8qiGzD119bhjShEBrC41I7oB8DssE7hdvdESC7Mz9u9joO sp0KsKiK9OX+mickUuKq5RNZxZp/zXcpiPCGFpgv2xCf7Z6lrKUaqJ7PyehXzk51 WSpaS97NlJe1GX+5DonGSgH7dZlfDU+Wu75+NNw91VlfhGmUHsU/EHeETApNSURf 5m/nsGSZtSabCLuLosvFO1ywhJY5xy746ONX4vvOE/VGpPVLHAGPyihaGQRz3//3 gXWQOtjZWfo0vQIDAQABo4ICGDCCAhQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBT7 F/CgxtZSBrfC3VcV21zqaGltVjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAhBgNV HREEGjAYgghsdS1jeS5jaIIMd3d3Lmx1LWN5LmNoMBMGA1UdIAQMMAowCAYGZ4EM AQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA7s3QZNXbGs7FXLedtM0TojKH Rny87N7DUUhZRnEftZsAAAGMl8vD/wAABAMARzBFAiEAx4c/FtwZlH+l8qKFRTDK YgkogLqkKtraljcaDol55KwCIE4MyxotedTjpPz3OTszvS90STqhapdfhgI8cwTq OSjcAHYAKdA6G7Z0qnEc0wNbZVfBT4qni0/oOJRJ7KRT+US9JGgAAAGMl8vElQAA BAMARzBFAiEA41g+d9fzl8aE/DrNor1e6CLKs+FrAA4Du6cdOT2JWMECIEkWXPhV EOepVFPmYZ7/KHnKJ/RkVOcRk+khzU9qzgHrMA0GCSqGSIb3DQEBCwUAA4IBAQAR wXNdt2XC8EAMUIRKgv9wiN943uRRcGSk13/PZXHLSigT2/9+OPQ0Q0N/ApqpEa4z eqU4nzEF36UStxWUuq0jQyeNpCKohnxVA5/0v+nCjbxZiJPseYP49IYac9Ee1YJH 7vs08VA9Av3hr2/fm9bw9vDhS9mYzzgCHQFg7rEJsolMQhJVbGdcbFC6mHCnx/mA 87bhfgJzG0znfXmUNidJbaN0gGJZZUfG+VfIIT050FYtiMz/xtV+qoc58otTPGHA e6N+X3XxB33NGd/1gn7CwYeO6gZ46UJkRss/TR7mB0utE0AsxHS7CBC5FaRRYBTO ceNUImePlWdG4+wa6pxS -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxlZEPVpFn2RWPWLCIm7A 8gv5eFt24n/XVr5ERlrzJY4wfT0TMp8fcqYBg8vNU/mWaWWJorhcxFK/riDRtj/q WL/Pnr8qiGzD119bhjShEBrC41I7oB8DssE7hdvdESC7Mz9u9joOsp0KsKiK9OX+ mickUuKq5RNZxZp/zXcpiPCGFpgv2xCf7Z6lrKUaqJ7PyehXzk51WSpaS97NlJe1 GX+5DonGSgH7dZlfDU+Wu75+NNw91VlfhGmUHsU/EHeETApNSURf5m/nsGSZtSab CLuLosvFO1ywhJY5xy746ONX4vvOE/VGpPVLHAGPyihaGQRz3//3gXWQOtjZWfo0 vQIDAQAB -----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 408581598444684669703100256186301774210647 . . . . . . . . [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 2023-12-23 16:49:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-22 16:49:21 +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 'lu-cy.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 25037724010064539789408036432325602692136347340466673293287372267010338549389014668410602799691148052258742695054360515108277701418283805157957467693824883859878319646071111497872889208206353992967045196016563946015212845417585017055039377098847086252647360819913358217428130239491743991196568641773970988139686645836983961757957572139901001322673286565980301276729727259510474131853243091822728424176793491801173197130531279132511791084503670201767816724116547925621168501048085911624897023036865162372708251249974439674429017775929870701212012724438470478228620549815327164707177983412830027927898201692943530210493 . . . . . . . . . . . . . . . . . . . . [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) fb17f0a0c6d65206b7c2dd5715db5cea68696d56 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lu-cy.ch' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lu-cy.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) 00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c97cbc3ff0000040300473045022100c7873f16dc19947fa5f2a2854530ca62092880baa42adada96371a0e8979e4ac02204e0ccb1a2d79d4e3a4fcf7393b33bd2f74493aa16a975f86023c7304ea3928dc00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c97cbc4950000040300473045022100e3583e77d7f397c684fc3acda2bd5ee822cab3e16b000e03bba71d393d8958c1022049165cf85510e7a95453e6619eff2879ca27f46454e71193e921cd4f6ace01eb . . . . [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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