coursekata.org

Issued by Amazon

About this certificate

This digital certificate with serial number 07:35:62:04:ef:37:81:7c:22:92:fd:b3:31:f6:a1:30 was issued on by Amazon.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=coursekata.org

Amazon

Organization: Amazon
Organization unit: Server CA 1B
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 07:35:62:04:ef:37:81:7c:22:92:fd:b3:31:f6:a1:30
Serial Number (int): 9581775771084584637941826776229912880
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: 38:c4:77:f9:c2:8d:e8:43:cb:36:3d:9c:44:70:d5:d8:df:9c:cc:af
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 9f:e1:80:44:b7:67:4a:cc:b3:af:74:cd:17:81:bd:16:07:9f:03:f6
Fingerprint (sha256): 0d:56:ba:44:d2:3d:f8:3c:72:4c:0b:3a:81:cd:d1:d9:15:67:58:63:a2:29:f6:fb:64:36:33:b8:62:fb:9d:3d

Issuing Certificate URL: http://crt.sca1b.amazontrust.com/sca1b.crt

Revocation information

OCSP Server: http://ocsp.sca1b.amazontrust.com
CRL Distribution Point: http://crl.sca1b.amazontrust.com/sca1b.crl

Check the revocation status for certificate coursekata.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for coursekata.org

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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

coursekata.org

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Certificate

The complete raw certificate details for coursekata.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz4N280/+l7+aYz6Mz08S
Y8ULcC+py2ibKUWplkiqwFGGyYiSdcP/CiNRhyd5187usj4KzBUEkpH+H9vay/s+
Y0SvFVsG2qdK9zMloGpP4N7Vg5XoqvmOm4POfB908pk9U/AgKcRFanO1CBitzUqz
N1hrzaPMxmdHOkWIfJ2ab2I2rdRUItmKJsPvDsBnodGKAWSVJxqr2PbtMnhvLkgz
djC2g4/3AjimePf9PS3H+cu6ej6CY0lzBtPDeBUn1XtExFcBOdvLkOdxI6R88fx5
bYQLpjhLxEOhFQ+kiDk0aKNXWeX6497380pHYd6aQW5SGplMgwAhCUjLvsU9D84z
tQIDAQAB
-----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 9581775771084584637941826776229912880
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Server CA 1B'
 . . . . . . . . . . . . [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 'Amazon'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-14 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-03-14 12:00:00 +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 'coursekata.org'
 . . . . . . . . [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 26196156763124017067793833013818097829596656331837953653730992966940621658557887762849064136074998563862531404287469212877536959472989836940195207067339067484055150790798306819950891642388727187739686222972248577492507414811030735354897382072318577891280537316749874573982748787255664545209616041922644117306412654524018259100829333137461208468712754114558432850701219558179542915653990106990675165245057975140832458020129968421316626294735993905841873207054264207246863721898668516611600452627250851342179524210117463564406024987300102000018810873323421398607767237593819884430304387417605180672556365952582736032693
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 59a4660652a07b95923ca394072796745bf93dd0
 . . . . . . . . . . . . . . . . [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)
							38c477f9c28de843cb363d9c4470d5d8df9cccaf
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coursekata.org'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.sca1b.amazontrust.com/sca1b.crl'
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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://ocsp.sca1b.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.sca1b.amazontrust.com/sca1b.crt'
 . . . . . . . . . . . . . . . . [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 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)
							00f1007700bbd9dfbc1f8a71b593942397aa927b473857950aab52e81a909664368e1ed1850000017041029b750000040300483046022100de2fa030f5f20d4ee27e5a5bea99642005ab9ac1ac1b5802a722fa446b3db31b022100952ef44aa8166df6084afa57bddd6df3fe65858e6c4c713fca9225cfd47594430076008775bfe7597cf88c43995fbdf36eff568d475636ff4ab560c1b4eaff5ea0830f0000017041029bca0000040300473045022100ea15ea22b428d2091da23ac48fe8fa8cd803042283f3cabc86089fca1275b32602200434dfc5fcd00247b22e7cbd133489f14c2622c928173434e25b2b5727f27787
 . . . . [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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