*.learn.co

Issued by Amazon

About this certificate

This digital certificate with serial number 0b:22:b7:fe:da:39:2c:43:9b:06:22:c5:25:d3:98:01 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=*.learn.co

Amazon

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

This certificate has expire since

Certificate Details

Serial Number (hex): 0b:22:b7:fe:da:39:2c:43:9b:06:22:c5:25:d3:98:01
Serial Number (int): 14801777919271855564140257849193502721
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 18:01:1b:57:13:21:0a:84:3a:d1:e3:5c:09:82:dc:89:5f:75:62:02
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 6a:e4:3a:3c:e6:53:3b:bf:b4:7f:54:8f:49:b8:80:c2:c6:6d:05:95
Fingerprint (sha256): ec:12:ee:9e:75:9b:93:8d:c4:2c:bd:08:16:a2:06:d9:0c:be:51:36:f6:63:2f:2b:0e:df:31:fc:17:9e:2e:e1

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 *.learn.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.learn.co

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

*.learn.co

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go.learn.co
gh.learn.co
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instruction.learn.co
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chef.students.learn.co
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instruction.learn.co
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instruction.learn.co
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learn.co
help.learn.co
instruction.learn.co
staging.learn.co
learn.co
xid.learn.co
*.learn.co
instruction.learn.co
xid.learn.co
docs.learn.co
*.forge.learn.co
staginggh.learn.co
*.ide-proxy.ide.learn.co
xid.learn.co
xid.learn.co
xid.learn.co
gh.learn.co
*.courseconductor.learn.co
instruction.learn.co
*.qa.learn.co
learn.co
gh.learn.co
learn.co
students.learn.co
learn.co
staging.learn.co
gh.learn.co
*.forge.learn.co
abstruse.learn.co
docs.learn.co
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chef.students.learn.co
xid.learn.co
ile.learn.co
chef.students.learn.co
instruction.learn.co
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instruction.learn.co
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go.learn.co
*.learn.co
go.learn.co
my.learn.co
staging.learn.co
staging.learn.co
docs.learn.co
go.learn.co

Certificate

The complete raw certificate details for *.learn.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5PxlQV7kJ2tZE21YbU9o
EMYvGTBXbIm1dqgNn4TbuU7+1qHve/aYMCQSpqekqGE8DTl+EX7p3vSdZChr3utU
7S0vytrBzmvM4vyZLJCkzGumEp0JvqWnFWvARmcdjQ3IIz1NE1gfv65cQ/uppyHC
KFpEYjagBpZvdgPzbxf2mZnZyfCbEyhxjc6naBkQnXXi32oMzMbKc8QJMIbqsUGH
a73U3/xQPxfx+aiPawFq+UlWxUMcEru7OSNenF48YQmog8QVCtaTYDMb4+ag22FP
+pSoRYtWlCGq+zjAtflAX+WXF6ykZdI7bctjLEJ1S9AmUVeLn0hl7QNo2XKIY6AF
oQIDAQAB
-----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 14801777919271855564140257849193502721
 . . . . . . . . [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 2020-04-04 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-05-04 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:12|false] UTF8String '*.learn.co'
 . . . . . . . . [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 28906794406197068241388920246926894927998042629685227193909006223487207211974512298753755325590318910639748547528604520275480918609301844324218351428212148658984706726303006483212350461525402423040231649321673635897803111299612269392016774842503866561476379299468976315443430695320417848517418632546100600851375722882910244952809859627217091631109667966945996668935208757637623063590592779944260136699275081250265216596538634692501941315017042711721711059239028315384708636705005429696384088742180758111420300696922993178702706320790229034968204314930647066855472569013167164558660943021831686126310265524156840805793
 . . . . . . . . . . . . . . . . . . . . [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)
							18011b5713210a843ad1e35c0982dc895f756202
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.learn.co'
 . . . . . . . . . . . . . . . . [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)
							00f1007700f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e30000017142b3610a0000040300483046022100b30339858057719c2fa769b13ba2a1d7601d4da2fa5da28b66c465802bc47f32022100f8bbfa8ae1ddf5305cb63c9adc2068f3e1d9fb42b3563dda38e2de253e80367a0076005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca0000017142b361490000040300473045022048f8cfa9d015cd4725d9a2427b8d609edb00815772997b594416337bcd686c70022100831ea530983580dfc94397b98b04ef809a79ba169bf590b3f36a72df9145391b
 . . . . [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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