cadschool.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6a:48:f6:5b:61:92:00:34:27:5b:0e:37:38:ad:6e:4e:f2 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=cadschool.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6a:48:f6:5b:61:92:00:34:27:5b:0e:37:38:ad:6e:4e:f2
Serial Number (int): 297503772263053521331343706582129954410226
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 97:9a:df:59:2a:9b:7e:18:b8:52:78:18:de:a6:fe:7e:43:6e:3b:6e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:6f:c2:c5:e4:bf:e3:2a:4e:df:b4:47:4e:e0:87:0e:40:9c:70:cb
Fingerprint (sha256): 07:66:21:18:0b:b0:17:84:9b:c0:4b:bf:20:bd:90:4a:fe:ea:43:9d:42:98:3e:a9:a5:ac:95:d4:46:8b:0d:52

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 cadschool.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cadschool.com.br

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

cadschool.com.br
www.cadschool.com.br

Other certificates including the domain name cadschool.com.br

(limited to 100 certificates)
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br
www.cadschool.com.br

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwPLOJ3jjyJkmlzmi+Xqt
UhjG9mhbHK78aJ4mCcbxvoHWcKZKK5NQ0IwTEglaG78+8QhnHTNIBKV83dS6S1pA
MUJu1CloNwj1yDYh9wcAWI5Z9dtrnBOOuA7U0ga2OrDdVoOWt4NH9+Go49NUmEv6
HrBNILH2SdChmr8JRMLTmpmX16d792WKPkPuXwIAkxMkY4ou/N9bthRtbFEbHrEu
aK/FqIc+ta7vPlL3s9dmzWjkZ39t1LPLjdDVIxyAM5/gfC1X2XTPArEieUm3DECt
WoOxS+X63WFFKf0O9cdfNpz5Ln57IcHithSmxq8EPXRysR/Cv8BTAhZAkhsMQhXE
zwIDAQAB
-----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 297503772263053521331343706582129954410226
 . . . . . . . . [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 2019-04-19 12:32:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-18 12:32:40 +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 'cadschool.com.br'
 . . . . . . . . [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 24357486304346295887762252212804012089868399508972764265340989328158778927315678188934320111577364908200230487312508571487179863235743411418834630082397439062602708672093474470394296373480116510385558192514097970173430712515341014819325351809340532390993849500556755671554720419928635699376247670976461166092287774519834226893124460679959202490302299575608604188719677866467300986847590800664845436629491788733346368569415704145714248678207674135639313932826930519461210918408445323211697802360638519773324201245594877702030814320308900434184070092462177435574635041151658192079605340037753960531224034893790115644623
 . . . . . . . . . . . . . . . . . . . . [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)
							979adf592a9b7e18b8527818dea6fe7e436e3b6e
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cadschool.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cadschool.com.br'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a35cc938f000004030047304502200dfdeb53db6abd4fffdd89402c1c5aaea66c8cfa7f7072eb33fef8e06b6acebd022100ac407ccedec6f7ff8de6089857ed73ad399085a46c7a218606a98f5c003860f400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016a35cc938c00000403004730450221008d31d96a3b6a586be70779001343baa94b0128c40821c566fe250c37e326dbcd02203aa47ac73ad7dbea9956193b9aa5955531be0ab28ddf211074c9db5e60b43873
 . . . . [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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