coursekata.org

Issued by Amazon

About this certificate

This digital certificate with serial number 01:65:db:f8:c0:b9:90:03:7a:f2:36:a2:a7:5d:92:77 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): 01:65:db:f8:c0:b9:90:03:7a:f2:36:a2:a7:5d:92:77
Serial Number (int): 1858111534429889964063883368192643703
Serial Number lenght: 121 bits, 16 octets

SubjectKeyId: 10:06:e1:86:1a:82:39:e5:45:7f:75:04:27:6d:06:15:d2:40:a8:c5
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): f6:ad:5d:19:ee:bd:d6:94:e6:50:8a:3e:e3:78:c0:e9:4e:9e:5e:3a
Fingerprint (sha256): 21:7f:df:ec:45:fe:07:d6:f0:92:b6:07:19:ff:d9:04:6a:ae:0b:1c:ba:03:22:1d:6e:52:d6:37:d3:fe:ca:b8

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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support.certusgrp.com

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnS0B0Fy7HfsCdggp0OEw
Y3btcBzjFgNFBwO9tk3WwqMk6p/0gBqyuSSdzm4m9cLJzZ06NkO0Q7nMZR7Voc35
fK4SPF/GDLdMVUMM6zSZjCXG4OnZ9rXwx+wEFHqw9+MRwJZY2A1cPM+M0NmKs52H
oZhL8VVnMy/rYp8ODDAcATsCj9jau3qlsalxvYXuRXRGcE91M04caaS8dguetrVP
gbdt4lm6mcapJbLCcvacdRU8PIVzBVixCAjfs7IawXdiwQOEZEDubyXa8+gS/nWA
JhoaQA6cS1+bsCyQezMX9P4cIf9RAhpT2m7u5URIVGmM2DKQqUVJd9aG7TJ/3p1o
FQIDAQAB
-----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 1858111534429889964063883368192643703
 . . . . . . . . [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 2019-03-13 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-13 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 19841607700758226182663068561872363736808637457977126090693646855880747126521938645051755481763371326978857271669774234625177053822855788901284252733301187103917977970888050406406566013250608699818147516798733500691666612550111610367247904640476619297113180527522104913103826088391135444224318713396685880093257081345729490389955174923864633579052755943189988841779739604835919483994393181324432062938487562595162926925841497354859407614478484965532802359853761637756229552673091491899644713522721951824969413763341542340939344013017410938797196255359169670883975155133660144288119456081804111567728528247906543429653
 . . . . . . . . . . . . . . . . . . . . [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)
							1006e1861a8239e5457f7504276d0615d240a8c5
 . . . . . . . . . . . . . . . . [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)
							00f1007600ee4bbdb775ce60bae142691fabe19e66a30f7e5fb072d88300c47b897aa8fdcb0000016977e1504d000004030047304502204d4d3ec0afbacbf65b22c352c482b3870148badcb37d01966603a58717973c71022100d28995fe5adccfd28059d517d56048cf18dda21fa6a5d2f234fd684dccd7e3bb0077008775bfe7597cf88c43995fbdf36eff568d475636ff4ab560c1b4eaff5ea0830f0000016977e151940000040300483046022100802f37ba08fb31eb4d889511a670bc9094409d75bf469b6d6f9c475dd6436e74022100ae450b43ce9a788e495c52fb58f87d22ee712e985e7e122b8bf5e7d11a3a108e
 . . . . [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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