www.cadschool.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:db:6a:58:43:4d:63:32:29:6a:35:65:75:ac:c6:66:21:b6 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=www.cadschool.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:db:6a:58:43:4d:63:32:29:6a:35:65:75:ac:c6:66:21:b6
Serial Number (int): 336000052605695727201809646339963369169334
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:86:39:71:78:67:4c:68:29:7a:61:b5:e8:e0:3b:6f:bb:61:78:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ee:e4:52:90:71:51:58:ff:3c:1a:82:e4:f9:00:41:43:33:22:13:c6
Fingerprint (sha256): f0:24:68:27:de:4d:33:3e:ee:3a:4e:a9:88:ca:ca:2a:b1:56:63:9c:40:58:6f:46:23:b1:12:b4:c3:c8:2a:8a

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 www.cadschool.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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 www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyPjmE9hayJYHLL66EPYS
UlpAIglLqsQvX89Zx+7Wl5aIgro+Grj9ras+ZPOFpL4B434lU0uZw7//mbetrXQK
yVfe0oQ1hMB2cVBt0pPSjVDimIEEH8uQtOWb0pgZvxv6dic8rT+diK2JpeC1OoDV
G8ZMNvx2z4zVC8oA16UD6DfdB6KMHIGj4d5IL5E0xgSsurWC3M9578mPbS2R9z+s
G5A2Fpg0fs4F9bU+bF85TxNW9jcMlOC0zobJD8VhZaQZ5uqVWjtBxw2Vx06WdLPJ
ATD+RA0w/lx4eYNsoQnAM7bMveBMKU0jvvVdGx4lsmtj+92zYkoh0a0PXm6ygi+T
jwIDAQAB
-----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 336000052605695727201809646339963369169334
 . . . . . . . . [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 2018-12-18 00:15:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-18 00:15:41 +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 'www.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 25370397536513547005825693837105501391540956403849359047620078352690708245889029644683253189230658787886507024429482430525443460807576473747920509971125076358230011644374510225072548499531806732582587677110683645298607417757391932018676896353067398109210778468626017777238162010337913299577991005853367551903723680877643045122736346823395040165516902975621831796743000023305849324549892020113784217896283030700645855594378950944918131325107853844910503238285734284570052746365453021619790557476106905389634703864387193425286780010886651988971333727007462066011107673740585440826745097945912797284025429737295867515791
 . . . . . . . . . . . . . . . . . . . . [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)
							1d86397178674c68297a61b5e8e03b6fbb6178e2
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167bee1ff1d00000403004730450220083a72c7fc7d20a51570f8da1db9891fb1bb172aee6eee2b9f434081d28aa4a8022100de92c2aafd8ef7635436478f9a0466f4574742814e8f63f579e7b60ed9165c8b00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167bee1ff5600000403004830460221009c58f455400da0fe3d74da8e7a4ce18975ad482771588182db3bf82bc06eae88022100d580dae3a9ca22e57a38a779b9b25871d071da65c8185bef1910d3d75d18a6b3
 . . . . [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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