launchschool.com

Issued by R3

About this certificate

This digital certificate with serial number 03:15:e5:6b:75:7c:8c:50:52:5a:12:98:d0:94:28:89:83:b9 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=launchschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:15:e5:6b:75:7c:8c:50:52:5a:12:98:d0:94:28:89:83:b9
Serial Number (int): 268787738670328697417404163399128504173497
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fe:70:ca:c5:16:fc:55:54:f7:14:a1:6f:0e:1a:23:eb:9d:b0:75:48
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0f:8a:a1:40:6d:bd:3c:d8:0e:a6:9c:a0:3a:3e:0b:1b:23:2f:77:18
Fingerprint (sha256): e1:50:93:ff:68:f3:52:14:71:c4:f5:01:b2:b5:1d:60:7d:09:0f:f4:14:61:37:21:c7:57:72:e9:21:f6:95:af

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA415cjbX6jTOmrV9kE1p5
bP0CJ1P+TPm1WxIrlamKoSLZQ4bdt6e+3BGl/MaPBMeADTt/Zj1tt9dSoU1kwtG3
BE5kDQ2IgBe3YDpDaQ56oqOw+V3DSzE+OI4TbKCQ/cQvjkQK+BWvLbTWnfMH/vuW
VF3PhEtL5mjfzVK3BNM7sRzU09qjo1ddPu/ylgE9UwfF7JLhpoHB0XTCly5Bsbj1
Arn3MrBhmj/Siw9jP1F3hVifn3m17RA7ZVv+ASorbZfF6u87Ni8xYIo/Jc++nZx8
EzXhmdM5BTWyC/6ZNTGZD3clBYMT2hT6i5m21YA2YDgNbO86hOiJT4vyeboVO1CC
pQIDAQAB
-----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 268787738670328697417404163399128504173497
 . . . . . . . . [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 2024-01-06 23:06:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-05 23:06:15 +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 28702626635605043437528497622779480553293139060945675619663350125650136720307588234462564417597274417905711254917898152424882120180161561070133324821226173926142489232016892571790499815080924143503198989770952403576834635787597990134242900251115303116171842607455415022808462468247245176519441892251148305003439904066169852041877948916311660424533216401861826365334733133162900188059933874344591943802257219683724241024987000072990690435215601881333582781567302295472078972855650521181518136581531341284769855676420648701243175486899424361842751386239922994646419948847717162457566251376102051175495621087841360052901
 . . . . . . . . . . . . . . . . . . . . [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)
							fe70cac516fc5554f714a16f0e1a23eb9db07548
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce13dd9bf000004030046304402207ca085475e177ab0816028f32f07ae0ffa2fe306fe9d50349fb6ab7f356d2cd902201d6fd4afc26065a60cf2a111f72dc73d13800c11bdc3a374c742e61bb866e97f00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ce13dda330000040300463044022056617cc1de37f8451ca69fdcbbdcb66a8f651a0e85200bea89ba72c7942dc81302206f8de8fdbe76698e195d454e2942832640d98a0ea2bac442ef9abf2972a76df4
 . . . . [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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