learn.co

Issued by Amazon

About this certificate

This digital certificate with serial number 06:90:40:80:b0:57:31:6a:32:d5:66:9b:28:f7:ec:56 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): 06:90:40:80:b0:57:31:6a:32:d5:66:9b:28:f7:ec:56
Serial Number (int): 8724366992332717578512262378915621974
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: f8:f9:90:98:b0:39:7e:2d:f0:24:58:c2:92:4d:b3:90:f0:60:75:51
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 67:8f:34:79:10:cc:09:7f:22:68:c7:de:1e:57:92:bd:29:59:4d:ee
Fingerprint (sha256): 63:f4:ad:40:8c:8d:b4:57:8e:3c:1c:1b:65:c2:85:eb:ea:62:8b:16:6c:72:c1:6e:24:83:31:4c:da:4a:af:08

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

Other certificates including the domain name learn.co

(limited to 100 certificates)
*.ide.learn.co
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help.learn.co
instruction.learn.co
splunk.learn.co
gh.learn.co
xid.learn.co
staginggh.learn.co
xid.learn.co
gh.learn.co
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*.ide.learn.co
docs.learn.co
splunk.learn.co
instruction.learn.co
gh.learn.co
go.learn.co
*.learn.co
*.forge.learn.co
chef.students.learn.co
gh.learn.co
*.learn.co
gh.learn.co
gh.learn.co
*.ide-proxy.ide.learn.co
go.learn.co
gh.learn.co
*.learn.co
xid.learn.co
instruction.learn.co
xid.learn.co
learn.co
chef.students.learn.co
learn.co
instruction.learn.co
*.forge.learn.co
*.learn.co
gh.learn.co
gh.learn.co
*.ide-proxy.ide.learn.co
go.learn.co
instruction.learn.co
staging.learn.co
gh.learn.co
gh.learn.co
slack.learn.co
staginggh.learn.co
instruction.learn.co
learn.co
go.learn.co
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
qa.learn.co
chef.students.learn.co
xid.learn.co
ile.learn.co
chef.students.learn.co
instruction.learn.co
learn.co
instruction.learn.co
learn.co
go.learn.co
staging.learn.co
learn.co
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9uB98LXnnotL5YOGjFyP
PH6RWeNfbPRexXRmsh8gdkFbYwWaBKU5zoCLIQEFnO32rbBxoPApVotKUMIufMVt
65doqVLTDaqOrP00Gy0QbgSm7xCql465sYCjEpkUO5MUEpFNfAhzBhIslp+EZXN2
OQiSIf45lIgKSuBNQQidK8bryBy4SLmuLwHICBB4LEdME9klpxmMOmHSDZ7WiR0j
4NHiuQjPtt6BOGHYbwlhQ/kvFkPxo8wEV9JyhaaGYUjcjBLSOvlJ4spzGmW6cfn3
oBbKo8ym8TT99v5lvsokIlFpbxmbJolb/PWdKh/KK/jns+/3w7yZc+x/nPh/sEKm
XQIDAQAB
-----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 8724366992332717578512262378915621974
 . . . . . . . . [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 2018-05-30 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-30 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 '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 31165324130154117157612664221371484529688426240725681410164456404893230889786101469198651463980576517438859595489711855431085643627947051370208310629550104831452500536112506218854749255410491056187038837810072909804790469889192290747534003014721550041971630270086880827408391962711335027423280181096600657339545498190352352578951821283822629413036842966609306066910125484678399974515744387453178572113537779505034127800216325195763504549643110746232012157687435315990791275835924640874888966406592967039666780247354972086365751308876822636756257333323051788392031036572904302813054715412927388701440488575019513980509
 . . . . . . . . . . . . . . . . . . . . [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)
							f8f99098b0397e2df02458c2924db390f0607551
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.3 (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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