bitcrew.com
Issued by R3
About this certificate
This digital certificate with serial number 03:14:d3:62:fb:50:04:58:69:8b:ae:50:3c:33:04:ff:be:c3 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=bitcrew.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:14:d3:62:fb:50:04:58:69:8b:ae:50:3c:33:04:ff:be:c3Serial Number (int): 268423486183126671213076463553587565280963
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 8b:45:aa:42:43:c2:43:1a:94:2a:3e:a9:81:d6:c5:2f:6b:63:2e:cf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 20:00:28:f1:8c:43:cf:fc:b1:c7:1c:3c:64:98:55:51:67:0f:de:77
Fingerprint (sha256): bc:00:ba:17:26:b7:37:de:67:1d:dc:6d:ae:0d:f8:82:c3:6d:1e:8c:ea:a6:c9:37:cf:54:f6:03:50:12:8c:a6
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate bitcrew.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for bitcrew.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
bitcrew.com
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playground.timmehlhorn.com
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Certificate
The complete raw certificate details for bitcrew.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE4jCCA8qgAwIBAgISAxTTYvtQBFhpi65QPDME/77DMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMTExNzI4MzVaFw0yNDAzMTAxNzI4MzRaMBYxFDASBgNVBAMT C2JpdGNyZXcuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAthb0 QMeUDrHvc2LYPJdBXJQ7N0f6mvG8wdBrRIDgldLbV68HJJBTlUpxKo3rCXI9OpwL jw35K1OJh6ioMLXAKsAHrpT+F2zUjwVcPPS2MNEX4k+OA1KDkPDJVsKMBWV4wFri RocrOOoFde9TjrYMX3DPX8AdOvyicLJAvOmZNLFQKmC/35A4PlJBEDC9za1X5LWK IIT1ztqqECni0VEU2/nBfNsua98TJe4LKjtykHg1W2t91OhXSayB5yWCJ1hd8KF7 XlX/cc5TAjat6VGAyPVJ2Uxr//sZ8WCtjerfR9dD2Q7M5Rq1dwqIrKeOFCZrVuIh Gf8gzMFHLGK7FSsoFwIDAQABo4ICDDCCAggwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBSLRapCQ8JDGpQqPqmB1sUva2MuzzAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAW BgNVHREEDzANggtiaXRjcmV3LmNvbTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQMG CisGAQQB1nkCBAIEgfQEgfEA7wB1AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7 v6s52IRzAAABjFojWlcAAAQDAEYwRAIgCfG0Zz9RmBv797UmQbP2LCfVfwlx5Ww7 DFLAMEp6T6UCIAh9NIH2aOE0exVA3RsBoFdvLSlDUnXcsL8bnXMqOW+dAHYAouK/ 1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31F9gAAAGMWiNabwAABAMARzBFAiBS sRSbWFgKeW5ZOYCQ+1WxoV7pqWAvkAMP4nJqAs5tdgIhAIEvyywb9bFOFZZY8WRi 15cXM3cTlJsNgvYTB8jEcHBpMA0GCSqGSIb3DQEBCwUAA4IBAQA34NVSg/yRDPsg ATgTc/00i5Z6m4C9U3IYkyo/+ebC4fWMeb4CB0YOW87LZ9FMGpnb1lgu3LWjwwyY STLVJMq+Ei68XKPvYsDzbMHSWNSIkV0x4gq5vW5hoi3QF3KoOfYN4TdcaDCNw6/f DYjIF450MlyinTwoEOp9DGaOW2e72z+FpV0XVNG1ergro7fLvhHvGyx0hpAFmaUX 4MySYSUV9fS+uDdH/fcG6wQ9g0BGIRGM6YNJqTr2IbKbHsIlY0aDeN1K8Db1L+4O Y6iX1AsQwUz/oFoeW3YfrgQ5HZqROdGRFICq1Xsz+g2iJTO9rwPdIK8O32JqQZTW IjatzIYG -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAthb0QMeUDrHvc2LYPJdB XJQ7N0f6mvG8wdBrRIDgldLbV68HJJBTlUpxKo3rCXI9OpwLjw35K1OJh6ioMLXA KsAHrpT+F2zUjwVcPPS2MNEX4k+OA1KDkPDJVsKMBWV4wFriRocrOOoFde9TjrYM X3DPX8AdOvyicLJAvOmZNLFQKmC/35A4PlJBEDC9za1X5LWKIIT1ztqqECni0VEU 2/nBfNsua98TJe4LKjtykHg1W2t91OhXSayB5yWCJ1hd8KF7XlX/cc5TAjat6VGA yPVJ2Uxr//sZ8WCtjerfR9dD2Q7M5Rq1dwqIrKeOFCZrVuIhGf8gzMFHLGK7FSso FwIDAQAB -----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 268423486183126671213076463553587565280963 . . . . . . . . [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 2023-12-11 17:28:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 17:28:34 +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 'bitcrew.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 22986690599037411276599629870195395215185795465302363360874467743623962677135700419619759619949578134065565053436990128384430420164849521963622100446968667753905983334376306555284307967625631315062488733886837778288309733571539364293396808219734942847167125641645722587501065139099875139906236298561305218543220912840752511763558809236702584987388310751053266254485403546447324883535673740237812777526538942234793731411976541871820039626553390379663736662615393286726068034870317548313424808869243920279982015669689135945006985930324630948858956671788269254283783555810538498295485453802015864652987465000175868258327 . . . . . . . . . . . . . . . . . . . . [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) 8b45aa4243c2431a942a3ea981d6c52f6b632ecf . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bitcrew.com' . . . . . . . . . . . . . . . . [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) 00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c5a235a570000040300463044022009f1b4673f51981bfbf7b52641b3f62c27d57f0971e56c3b0c52c0304a7a4fa50220087d3481f668e1347b1540dd1b01a0576f2d29435275dcb0bf1b9d732a396f9d007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c5a235a6f0000040300473045022052b1149b58580a796e59398090fb55b1a15ee9a9602f90030fe2726a02ce6d76022100812fcb2c1bf5b14e159658f16462d79717337713949b0d82f61307c8c4707069 . . . . [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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