dev.api.student.ccc.training
Issued by R3
About this certificate
This digital certificate with serial number 04:fc:7d:53:4b:6e:12:a6:35:21:71:d0:08:f7:39:c6:39:f0 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=dev.api.student.ccc.training
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 04:fc:7d:53:4b:6e:12:a6:35:21:71:d0:08:f7:39:c6:39:f0Serial Number (int): 434366886181131442067281709378983306869232
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 42:c4:31:40:ec:3a:89:d0:87:16:96:04:32:e4:f2:2f:21:d4:ed:19
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): a5:38:f6:cf:d0:d1:4c:61:42:19:74:c3:39:a4:23:0f:db:3d:00:58
Fingerprint (sha256): c7:89:47:ae:1c:91:25:6c:26:74:70:9b:e6:69:55:d9:6b:eb:ed:15:6c:a1:73:0a:43:31:92:e4:d5:a9:af:df
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate dev.api.student.ccc.training
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for dev.api.student.ccc.training
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
dev.api.student.ccc.training
www.dev.api.student.ccc.training
www.dev.api.student.ccc.training
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Certificate
The complete raw certificate details for dev.api.student.ccc.training in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIENDCCAxygAwIBAgISBPx9U0tuEqY1IXHQCPc5xjnwMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MDIxOTU2MTNaFw0yNDA3MDExOTU2MTJaMCcxJTAjBgNVBAMT HGRldi5hcGkuc3R1ZGVudC5jY2MudHJhaW5pbmcwggEiMA0GCSqGSIb3DQEBAQUA A4IBDwAwggEKAoIBAQDxQWE0QCsfdO7gM+hWBuH+xxtmEArnB9GKJPEgGJLW0Asx 5sRmpLwoRnTlTdPfO34e1B6NvUGLy0PziKr8o7TED+NMORWQXjPHgE4udznlczGs JKciX8wlI2JcvJp/AnHF12gtDfhI7fR/0NFLGFP6E3kPj2sqh5i7fANiaNhlssOS AtBUAvb4luCwNYng/rtybYHo8vI3SsFI3XBrnAXPKqDm+fDTUyX00Cdzbf5Xd2Ny jn3PPNpBJM/nC8f+l9G+u87vJ6TzShr8gNGTLG5HfahSWZrwC4Nuv25tSFn2CuhY lLRdAVbotdcCZ55GMi9ftHukJHouXg6VO/NT8EAdAgMBAAGjggFNMIIBSTAOBgNV HQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1Ud EwEB/wQCMAAwHQYDVR0OBBYEFELEMUDsOonQhxaWBDLk8i8h1O0ZMB8GA1UdIwQY MBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEF BQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8v cjMuaS5sZW5jci5vcmcvMEkGA1UdEQRCMECCHGRldi5hcGkuc3R1ZGVudC5jY2Mu dHJhaW5pbmeCIHd3dy5kZXYuYXBpLnN0dWRlbnQuY2NjLnRyYWluaW5nMBMGA1Ud IAQMMAowCAYGZ4EMAQIBMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3DQEB CwUAA4IBAQAHeOCBjk3rlI043zynjYtnGA2ikv1obvXP3ghUqZ/GIl4B+F2m59cy 0cMMoMOt3nXI97/GI1M+BhDQ0QYcxY6e0iCr3coGk62xWhn8g91iifvuMoW5J6OB wvzoPZRN6GvxY2EHubDV/B+weeujvbm+/nWObCi3usq7AQDKSHRcYOAecVBSkqVm JW+GtWRycHmg8HWQtFAl797DLFtyq9oq1WLZo12DlFs64UuAfrcFyZE5uc/qX0JN tRN4/x1JgCWJgz6LSXUSzOsKbdt3VdKa81FAFoy8k+nUsEHx+JzoiacJZmRmJk0U h4thZt6jL6hZ1L/+9fhixYCzOH+8pR0V -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8UFhNEArH3Tu4DPoVgbh /scbZhAK5wfRiiTxIBiS1tALMebEZqS8KEZ05U3T3zt+HtQejb1Bi8tD84iq/KO0 xA/jTDkVkF4zx4BOLnc55XMxrCSnIl/MJSNiXLyafwJxxddoLQ34SO30f9DRSxhT +hN5D49rKoeYu3wDYmjYZbLDkgLQVAL2+JbgsDWJ4P67cm2B6PLyN0rBSN1wa5wF zyqg5vnw01Ml9NAnc23+V3djco59zzzaQSTP5wvH/pfRvrvO7yek80oa/IDRkyxu R32oUlma8AuDbr9ubUhZ9groWJS0XQFW6LXXAmeeRjIvX7R7pCR6Ll4OlTvzU/BA HQIDAQAB -----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 434366886181131442067281709378983306869232 . . . . . . . . [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 2024-04-02 19:56:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 19:56:12 +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 'dev.api.student.ccc.training' . . . . . . . . [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 30455671430230416776013341104147531061227814771816008589579902511000334380218476768390711833171109755842186221917243540585400184152069136138957114527128652812735125920676077725764126203607029115840293809432611914147399525651598385987281166720139144005725242340038206525830808636368755280866222183806545626423066955628831488773674299359408824013474063241577969663955343970983945817481157428383720722098328139087100067598067099925644330758165240474454629821397119388302560553951594070582755331302958273966979072378044075449198238393430034586048607492610551698746676025869344965841338936668221805665660076953212166357021 . . . . . . . . . . . . . . . . . . . . [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) 42c43140ec3a89d08716960432e4f22f21d4ed19 . . . . . . . . . . . . . . . . [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 (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.api.student.ccc.training' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dev.api.student.ccc.training' . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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