launchschool.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ab:39:6d:dd:85:a4:3e:07:c7:14:18:cd:59:e5:7c:78:38 was issued on by Let's Encrypt.

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=launchschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ab:39:6d:dd:85:a4:3e:07:c7:14:18:cd:59:e5:7c:78:38
Serial Number (int): 319601478987879236246232536079351693473848
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bd:8c:06:38:64:af:32:25:19:dc:7c:a0:aa:67:a2:1e:3b:78:4b:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8b:06:f7:c6:45:86:a5:35:11:a9:47:53:3c:11:32:00:86:72:b5:96
Fingerprint (sha256): b4:1b:65:90:86:96:95:77:4a:70:f7:8b:44:3e:9d:bf:54:67:a9:3b:5c:fc:f3:30:09:90:87:6d:26:b7:1d:fb

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate launchschool.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for launchschool.com

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

launchschool.com

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Certificate

The complete raw certificate details for launchschool.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqncnCu/G/99Td8kgIf8i
2hF/xzQZOiGQPoe050rP8ObYionWM7K+TJ//mWQR+sTDgRVS9XnvpxvwwCdbTbtP
KqybCq0SlyZYnM50C/yZeEDW5bE7nlDj5Ke8YyPO6rGwc0+I6vCgeB18RroNumBL
esFPwV1t5+KTori36Yc9VT7ID1qYmTkWJiWViFVvIYDX87C7hRj2YcQ+u6q57KIS
sgp/QiZgLH4i6D0cUY4HFnY3rA8npLEJXORZ69j6765Vw9j1uOBXtV7RZbv4HpPv
JvKkvi6orVhh5n8UuB+Fq8i23dfXCj7Qdi5pu06cpd+qSlhsFo42hTObv1dFW03U
sQIDAQAB
-----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 319601478987879236246232536079351693473848
 . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-09 23:21:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-07 23:21:51 +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 'launchschool.com'
 . . . . . . . . [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 21519268137098512234134613611242333395508565410082532055325980002286500564899488820077740965989453281481603743215028669063123009367238054693341790456579875630359706518550895803862278192152080764887902065379337569451835864802505210835896257186314581131491047793227219000252490885133594768670775414359212012569401173892655023139799154618558388701404487011833058736265490119912621563802601050739910211361660496757354902901154759486370121470124373631114341621438860089754370746256796325007596572566673596594938249918596000242207047762447105272001794793220119760484460504401487559021887645838316705435840169811911109366961
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							bd8c063864af322519dc7ca0aa67a21e3b784b4d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'launchschool.com'
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001893d2d17ad0000040300473045022100f389515bb638b4b368fc2088baedfa0dd73958635641ed66b7b81e9419dcb0c002201995f587e7413ccc47bd3c9898a563f430f8207727127f19dec1aaf0213de0ac0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001893d2d17c600000403004630440220600c5afc047360cd806c4771b06d5920523f106234cda8db7f598530ba4ed54c02204a0f1ee21d6dc30855405141848b25c0bd35c09ff7a41c2a6874e7b6321648dc
 . . . . [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)
		003c4a364c2313f4ae1649bab0be6d4c2314eb3ed345503e655ed8edd09306664d5bab273066c3d77a272da6955d91a80942d9b09e9f2e181ff23d3ea50ede8ced7fd22de1357322cf9f23ea23441961f2a76639fe69416ac7f62d57f8e9bf092f875a9254023d25910efd614cece2f64fdbcdf3284cf23263cf63607d7006c662d35a0f17db0490657331147f061b86e047bccab793a2bfb6e2bf652055127beb10d35c88abf24f38af9739e36ce75562b4591ad2aa58215dae221e83c03cc418ab5255920a49b5a52e1371e60960b5a91183be9d9f3a8ede549f0a3832c672ae165d0da0070a92aa0c3c2a34f2decdcef96d881b834ea7981037d3f8c3da0237