1bigschool.com

Issued by R3

About this certificate

This digital certificate with serial number 04:35:d7:e8:45:07:5d:04:a3:93:e6:84:c7:a5:d2:6c:3d:e9 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=1bigschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:35:d7:e8:45:07:5d:04:a3:93:e6:84:c7:a5:d2:6c:3d:e9
Serial Number (int): 366771099205885309646394381669974403726825
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f5:8c:75:be:15:82:1f:cc:ae:e8:1e:8a:83:c1:97:85:23:d9:89:19
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): df:1a:84:2a:5a:fb:1a:67:31:d9:e0:28:3e:bb:6b:da:9e:da:6f:a9
Fingerprint (sha256): 25:c2:43:ae:68:3c:69:da:a3:a7:ea:5f:1d:55:5f:d7:41:10:78:51:d9:8c:c0:be:78:78:2a:97:93:58:3e:dd

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

Revocation information

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

Check the revocation status for certificate 1bigschool.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1bigschool.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

1bigschool.com
bluebrain.app

Other certificates including the domain name 1bigschool.com

(limited to 100 certificates)
1bigschool.com
1bigschool.com
1bigschool.com
1bigschool.com
1bigschool.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1xl/g/6ltfeiLpmeFSO
nTEHL/1cFCc3svZfxFBnUug9JQ/tlpMIakq5wjl5zlL2EENLUO7fu8CA9FjJI5hh
o7KR3+2GTcuaOY8eM/qgBwk3HHmnnoaFrAOW0CqG/ZeBWI9bJVoUJnjGCQix0K32
ga2EVyWEm2+5WVxcBbMqyIcknYCVBBaT5RCQqYSlE0e/jNO69L3SWixLk2yTa0Lx
IZhk1a2tlxzixFtDbYw0yUJ9LwTM+pZX/rMWWGUXaH+EGG/K0M9O/vbsNOvSrOWu
WZClUY2iqjY+kS6BOfkeWQIjFG1DBHTqdWU/LymosIhKk3Ynoyg0zs1Un6x6fWyW
swIDAQAB
-----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 366771099205885309646394381669974403726825
 . . . . . . . . [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 2023-02-14 00:43:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-15 00:43:11 +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 '1bigschool.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 23652126381775056771049764903657906094248525443560979174098249076283945910457358552829471432357381015134260974807262440205788137562703454237966367443646967421278280224103195588368185299026897200818490781476318744450307058584015428930738073305598933721001079151466698369681917024789890218691318726116908716723568067729695566698242592965796512660729582278595926715756243146844304643539882100236477311441040366533081923501445048370949067887081114180191775208095742297882249794320945061667191135332917947328108721391777231573172536830403313736215034500149855044605889084339104055200781051176014817756300735450199760869043
 . . . . . . . . . . . . . . . . . . . . [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)
							f58c75be15821fccaee81e8a83c1978523d98919
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1bigschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bluebrain.app'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001864d9717c5000004030046304402200b14714faf26db4be863e3e37a556fb77ad0cc974e015050730cfe9b8a6f822d022032a95368c7a270c84a7df45ff19880772fcf32d6f0161c1809c0b06bc23b2bd2007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001864d97186c0000040300473045022100e7604fb5f087924ed71d5f80dc830ce7a332cbbf647bf1abd0e60484d4e6901502204b5a9aac3d11073a687173df1c79218ff36802ab55108f1555b8937458a7dc1b
 . . . . [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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