*.learn.co

Issued by Amazon

About this certificate

This digital certificate with serial number 0d:4b:02:1e:fb:d1:35:7a:99:84:3d:41:c7:4b:71:02 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): 0d:4b:02:1e:fb:d1:35:7a:99:84:3d:41:c7:4b:71:02
Serial Number (int): 17669429229191756659605727477806887170
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 0b:2a:68:3a:ea:92:64:76:43:2c:3b:77:3a:af:4c:e6:d0:96:01:c6
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 1f:e3:40:ac:44:48:be:49:b9:6f:c8:14:a1:b6:1d:b8:28:8d:f1:09
Fingerprint (sha256): 77:10:31:36:ed:ee:3e:51:9e:6a:0f:47:1a:64:63:d7:fd:96:4e:bf:ee:e8:56:02:85:f2:70:01:3f:1e:90:cd

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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjxX30O53GCPyOIMS/uqI
gpFCGBZHBizHH1CzOkPTxtFzgDqNo2Tet90aCeTWwhEM6KeLQmB9AwLuDQvHWufl
spBCGu6m1PW+lOVUxBCe+Y1qS+SkxYj8xBimEu/xhB++t19DEMyvzcPTWlna1jkC
fpLvx28as+Bg9bQ8UxiJGBVt0aYq9+z4Tw9467gdchaN0HyRScyq9loGzLlUVOC8
KXqmsyhQsVgerdE7OEo3GBDEm9NKniTJ8OLgT2YGeRuZNGqx0Ojs1uvr4ThgbaMi
VRZQgZN5G4CjcfXbxrQoseXuKonhWa5qx2f6YUrJfOCWl06jB2GhvmLdz4XIALFi
dQIDAQAB
-----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 17669429229191756659605727477806887170
 . . . . . . . . [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 2019-05-02 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-02 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 18062910450368383673928381273808759544006030030811185950536674172629565876673462252943627419300520789372813973662502388176952894631878729679997685044654948463488905420781655928656389237033893809411440159055945593498882666409403180007624631790685950996458487642592990748875041682746916860250035397227890253527975186025793443159490963694483992963522314786124445673616237095243539284595784363769415310418302619967861581966837833339669878307925476813717630547472355658175750767195814607166848852868505107321866165055748102127578851108166692688482949706279597320725789926182590872518469869701742089670107293045119217918581
 . . . . . . . . . . . . . . . . . . . . [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)
							0b2a683aea926476432c3b773aaf4ce6d09601c6
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a4b90990b418581487bb13a2cc67700a3c359804f91bdfb8e377cd0ec80ddc100000016a7607c88a0000040300473045022100ad32c0000cd8d53b1df4d1c742314f9c0ad28b17d5feef37aa50292c319f203902207d33220c729fa905b1316e1371b875c2a59259e9f97984c146ba28bcf930ca2a0076008775bfe7597cf88c43995fbdf36eff568d475636ff4ab560c1b4eaff5ea0830f0000016a7607c9a60000040300473045022100d82792397d96055c23243f709bb8680c8688adc0593105087bc67daebc8eb875022014d955899b2c62886128a634f1d95b5a0b8344a1597d097cc126aca8408de1ab
 . . . . [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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