learn.co

Issued by Amazon

About this certificate

This digital certificate with serial number 02:4d:4f:e0:04:fe:af:fe:e2:ed:d3:dd:5c:5c:bb:a3 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): 02:4d:4f:e0:04:fe:af:fe:e2:ed:d3:dd:5c:5c:bb:a3
Serial Number (int): 3059882908689943463806526889763060643
Serial Number lenght: 122 bits, 16 octets

SubjectKeyId: 88:d5:a5:fd:c1:a2:20:59:de:c4:01:db:b7:08:fd:2c:37:4f:b5:2c
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 52:d3:5a:56:21:86:e0:e3:c6:d1:9f:3e:ed:f0:c1:5f:8c:b3:5d:ca
Fingerprint (sha256): df:fa:b2:b9:bb:57:1b:28:54:fb:8e:65:3b:fe:87:4a:02:36:7b:8b:6f:00:be:5c:2e:59:7c:5f:dd:b9:f4:96

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
docs.learn.co
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-----
MIIEZjCCA06gAwIBAgIQAk1P4AT+r/7i7dPdXFy7ozANBgkqhkiG9w0BAQsFADBG
MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRUwEwYDVQQLEwxTZXJ2ZXIg
Q0EgMUIxDzANBgNVBAMTBkFtYXpvbjAeFw0xODA1MzAwMDAwMDBaFw0xOTA2MzAx
MjAwMDBaMBMxETAPBgNVBAMTCGxlYXJuLmNvMIIBIjANBgkqhkiG9w0BAQEFAAOC
AQ8AMIIBCgKCAQEAwhkt6RGwF7q/6KtUgNSIGtDm+Lh2GhHV+dveInEwMy7+0Far
4+NjYm3Ci+4IjN8IGzEx9zXQTW84xwYPHcoW8NjXuHZuc4bBtBweTgTsTVtPvSMh
bpZwzaq23Dwgp9i0wST5vWK1jZEAF72lgCYrg23PWeNRAzoNsW544YBTJtHmmHc6
8jmAZKauMEUDz9gVQz2T6geEOlS/kLK/Skh67U4gf+THoef1lRakp8tu1rfQgk0D
XWyTY3CLoiXhQc3TB9N01VSpirLTgiZs87PcWGRwfFEM1Z3S7GD6q6J+2kIf9vF/
CKZnk8mjCp7nbkhJrTKzSAi90FTtH2ELD/T83wIDAQABo4IBgTCCAX0wHwYDVR0j
BBgwFoAUWaRmBlKge5WSPKOUByeWdFv5PdAwHQYDVR0OBBYEFIjVpf3BoiBZ3sQB
27cI/Sw3T7UsMBMGA1UdEQQMMAqCCGxlYXJuLmNvMA4GA1UdDwEB/wQEAwIFoDAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwOwYDVR0fBDQwMjAwoC6gLIYq
aHR0cDovL2NybC5zY2ExYi5hbWF6b250cnVzdC5jb20vc2NhMWIuY3JsMCAGA1Ud
IAQZMBcwCwYJYIZIAYb9bAECMAgGBmeBDAECATB1BggrBgEFBQcBAQRpMGcwLQYI
KwYBBQUHMAGGIWh0dHA6Ly9vY3NwLnNjYTFiLmFtYXpvbnRydXN0LmNvbTA2Bggr
BgEFBQcwAoYqaHR0cDovL2NydC5zY2ExYi5hbWF6b250cnVzdC5jb20vc2NhMWIu
Y3J0MAwGA1UdEwEB/wQCMAAwEwYKKwYBBAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcN
AQELBQADggEBAC3JA5qWwHo+OQTc2uquNCY0euavu5oq4JTNXKr8vCWfxxdFoD5X
4id6dg2M88SPzWRvWkSsFj/iHHh+Syq4Uxgp5zrYOQnk7rYlI/EG5S5LX+bXwRin
6ifr7hGVn/wsfRVBz9e/RnRDzpo0AapdqevxSrVeNIenr+ZyHv95jPHjOi3sj7wj
Rx7j8taWpEY7jTJzmh/eTcP2L8hxp4on0wDKC3WnSdLu8nFQisjjDs4N6ipBXFLH
gDt+wQaSzP3zcoq5ph5nhVGWpJZUxLmOob8LDzQno+9EPGH3+Pb+LqZ6jIfwAKkP
QAocHDmGegNoSWQd7OxKU3kB3zMXoU8wE48=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwhkt6RGwF7q/6KtUgNSI
GtDm+Lh2GhHV+dveInEwMy7+0Far4+NjYm3Ci+4IjN8IGzEx9zXQTW84xwYPHcoW
8NjXuHZuc4bBtBweTgTsTVtPvSMhbpZwzaq23Dwgp9i0wST5vWK1jZEAF72lgCYr
g23PWeNRAzoNsW544YBTJtHmmHc68jmAZKauMEUDz9gVQz2T6geEOlS/kLK/Skh6
7U4gf+THoef1lRakp8tu1rfQgk0DXWyTY3CLoiXhQc3TB9N01VSpirLTgiZs87Pc
WGRwfFEM1Z3S7GD6q6J+2kIf9vF/CKZnk8mjCp7nbkhJrTKzSAi90FTtH2ELD/T8
3wIDAQAB
-----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 3059882908689943463806526889763060643
 . . . . . . . . [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 24502647557552330032191913237216151813136654629244811200405379829798038809348327487485249568259449807168785918452285318736670259839604437836648577328469092153894008542925208590719515256402249367230325341989609380744529389078022959122821430164849341977688531521941465544611455408615217252622026482765607388347181729641865948977774967546961897034264194202222153012564233640655581361587295687456300066612713668902247871714319992638626947395700753050137782139230882045485201502458385029370334057094308645926858037986980666184912274701722312055346351640149910467453128791546375195735770094533210329569559961809441160232159
 . . . . . . . . . . . . . . . . . . . . [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)
							88d5a5fdc1a22059dec401dbb708fd2c374fb52c
 . . . . . . . . . . . . . . . . [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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