brooklyncenterschools.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f6:d3:3c:31:79:46:bd:1a:f1:06:da:41:cf:35:32:fc:a0 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=brooklyncenterschools.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f6:d3:3c:31:79:46:bd:1a:f1:06:da:41:cf:35:32:fc:a0
Serial Number (int): 345327099706200302098755191653112892030112
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9d:3a:44:62:13:8a:d4:24:58:c8:a2:fa:8f:54:1f:a2:92:53:56:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4c:6f:33:d1:0c:08:10:13:2c:b6:5f:c8:a0:45:76:31:de:a6:62:ef
Fingerprint (sha256): be:4d:ee:68:61:ca:69:ed:c3:0a:11:4e:3e:1f:9a:3e:1c:07:4a:f8:04:4b:41:7a:1a:78:64:8e:db:1f:ee:40

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate brooklyncenterschools.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for brooklyncenterschools.org

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

brooklyncenterschools.org

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admin.brooklyncenterschools.org
admin.brooklyncenterschools.org
admin.brooklyncenterschools.org
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www.lsprep.org
admin.brooklyncenterschools.org
es.wisd.net

Certificate

The complete raw certificate details for brooklyncenterschools.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArFhGFrq/7kCNUsQDUdmJ
vvIxZ/GLHMLpzwrSkyc+h5OMX9lLSda4GPjXMiQ067Dn/9Ws1qghhJTJ48PrpZGO
9QNQ4yNp3DEJyQiK2WsZiyp//tyHMUZt47xDlTUH9MRQCfXFUTNV768T3i3KV6WX
SNanGQMNpca7YcfsxUb8aynBM5iY/sUUMw+F1HGyY0Yu0FmNwtG46ayvL2HvcLw6
z/rAl6H15mfX6OE1tkZ6FBVrn3LF4UFZasMCJN1BAqNCz+M2ol1bNIeO2Bz2jtq7
cEyGLYFCQ3AsrYDPjo3TUXIBIIRGsVxnKd8JD1r10JqutjUN4Zp4PZSYSzDK0Uus
0QIDAQAB
-----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 345327099706200302098755191653112892030112
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-07 14:32:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-07 14:32:02 +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 'brooklyncenterschools.org'
 . . . . . . . . [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 21756517879576402014352592295518889739153999401789957224519016470264033621134325796375605270522243370917455789185934120745350692927060283941552866701389248048359976986032431536690623170113405653707915354096529972236505249958610305473530281522817898155710048773493846746127397817447302150593030612791197949279944691504982921938751423586789686378856311058474562079927253054307883735539609920397329262434232528262706237078655008188607392491370367402444334977726595267074214429351285623001326398388920806737049155797742398481541472684763915775262963120783990280318677832982007948436651104341865205951177288661010976845009
 . . . . . . . . . . . . . . . . . . . . [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)
							9d3a4462138ad42458c8a2fa8f541fa2925356cc
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brooklyncenterschools.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167894c12960000040300473045022030551a259519a0c16c95110bb43a03c2de4de4075509b6eef00d058bccb659c0022100db58af3951bae720fbb166b8282efe76b05db411615d99900314c7c8054cf1c9007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167894c10fc000004030046304402205ea5f95a7629768c3501509c03e1029e77e12220b31a717e52e671ca530b4dc1022042828400c68ec3f26c68833506b60ea3377d31412d1af89150293301634ef8ab
 . . . . [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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