1bigschool.com

Issued by R3

About this certificate

This digital certificate with serial number 04:86:4b:9c:aa:8d:f9:bd:d0:69:0a:16:65:83:97:bb:52:0d was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=1bigschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:86:4b:9c:aa:8d:f9:bd:d0:69:0a:16:65:83:97:bb:52:0d
Serial Number (int): 394147486451698635588076160896316313653773
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5e:85:14:0a:45:73:86:bd:32:83:f7:ff:3b:ac:e3:a4:6c:9c:09:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:2d:88:f9:1a:2a:64:59:b5:62:ea:9b:cf:d5:03:30:c4:81:72:f4
Fingerprint (sha256): 18:5b:b1:9c:87:b8:65:b8:7f:17:64:52:64:23:65:07:2b:18:7e:9c:47:5b:2e:13:f4:b4:f1:42:cd:9a:e2:01

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9ZLD+ViSl8Y7X9uEWnmN
35iDmhvFJ3o+ydms/XP0BaHxxbO0LSRObLQ5YO/D79EcoELH/Sl18tlnOTBomXVH
evjtWO8E5okx/n6fIFn0Gr8XtySeVX+mBHjpfMqcUBTRp+wbH/xgcZQPUfGgWT8f
ktCKoGmL2zFddvYIMdUbzaGbDoz7Nmw4zhj0CNBozA2oowsbTsoaX/z2qqGQe1eA
rqiDk41abaRMIeMtSkbO32+6R/kUwNENYBRe0qfK8MYDPrfmQyDu64X3gGGx4hrc
/tcxI1EgHAEsr0TMBYvp1Qkc7kWbXCjQkAIGcoQfeIK+NvMsvMyqVcgGdRYoifxD
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 394147486451698635588076160896316313653773
 . . . . . . . . [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 2024-05-13 17:50:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-11 17:50:19 +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 31000757493676680687858655313583073383439395501369529530226506892515876568157386182647076161107448196101411177699218493431679797733360903234264369246741243121265835980469078216103905842923165198340397408842163568168701471568353922074138308793399886326325832632949160687500131232951428803608673918743400785643680075903891761818458728280637070804281445216107447344138110679059392537590231877926003621269852528460359324880599537256526852221512513137832360348783091785377056851102865502673751415700896001546589060857019829353559200187142951042096803747627841186676894924823847469648246130285449353962623126097123532882853
 . . . . . . . . . . . . . . . . . . . . [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)
							5e85140a457386bd3283f7ff3bace3a46c9c0972
 . . . . . . . . . . . . . . . . [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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f734a9d1a0000040300483046022100e9ed39bfc8078552aa9833a2762a56db5a42f0086457043d67426dc0b12d4545022100f814b565ca0a445d2a18a3c79d92230132ce5b86cfa90c162582520c41e2237f0075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f734a9da60000040300463044022008bf10a947e516917121e7c1cd65c93540be0ab893a10f5fa5067b21704e35fe022000f957294710ce05e606a5603cc08ed30ab44fde553a2f63de15d1426b32c1fb
 . . . . [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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