ctc.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:36:4c:2e:55:b0:9e:da:5f:d6:1c:a6:8e:50:39:1a:ee:eb 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=ctc.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:36:4c:2e:55:b0:9e:da:5f:d6:1c:a6:8e:50:39:1a:ee:eb
Serial Number (int): 279813367520344698718162970608669157945067
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 77:71:33:e9:07:d6:1e:b5:87:6a:68:01:64:40:b5:ac:f2:eb:8e:d1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 82:77:28:18:33:bf:26:a8:4e:e8:ce:1c:23:a0:50:aa:40:a2:ee:ae
Fingerprint (sha256): 4b:ac:4e:75:1d:81:a6:c7:10:25:c7:18:22:72:c1:80:c6:1a:a7:e7:1f:61:b4:b0:79:30:e2:3d:a5:9a:f1:b8

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 ctc.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ctc.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

ctc.com.br
www.ctc.com.br

Other certificates including the domain name ctc.com.br

(limited to 100 certificates)
ri.ctc.com.br
ri.ctc.com.br
*.ctc.com.br
ctc.com.br
*.ctc.com.br
ctc.com.br
ri.ctc.com.br
ri.ctc.com.br
ri.ctc.com.br
ctc.com.br
*.ctc.com.br
*.ctc.com.br
ri.ctc.com.br
ctc.com.br
ctc.com.br
ctc.com.br
ri.ctc.com.br
ri.ctc.com.br
ctc.com.br
ctc.com.br
ri.ctc.com.br
ctc.com.br
ctc.com.br
ri.ctc.com.br

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqIK9J1bnR1rsxj/k4HyP
/1tYTVSBuihvEL/tZZAVb+vhYJh+MUVjQ3SlhFygLShGO5KwXntpiWrXQrKfYr7V
mYKt/nOAvPqua5Rhwsx44TWH684f7zxlKiqrDuPB6qTlDsdpy+/Bh1FNSgFREpBj
MoBxaihC4SWhmvjr6mkzylKJjdI9EcjYG0CaTw0JY6m5qYFafJR2Z7oLAa4e1uvx
vQfN07ZdXN6W1dQAL6WrzqQoOCzgrpYMJfKE/tShpoGimDR0I75KpU3brWgUQ8X0
kUs+xZBWcZFsJ9Mp43ZFdfMP468ju4jUZWUzS4ibTInWOT9ZS3dCNN3OspUYoiGY
/wIDAQAB
-----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 279813367520344698718162970608669157945067
 . . . . . . . . [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 2019-09-27 13:48:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-26 13:48:48 +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 'ctc.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 21272504979596966198361334345941087425427535734567876448613475648307859239012353554280920375073305601943637655533675745729162266408211376009908632861195807022449967988116896221542785025590820422307980663073985465692221108938067728384469568246646231971985865132865730103664326294243195052875304351625693187599298914447304000463393074133275775461636830855943080559745780208734191102367979380966974000803251008011826516135888716021761093812210567881170651562257696690452628717751038568937479189907108805308035714325681243595110152163951329143705126735444014934617094341637013186231116156094357065146840451029159473420543
 . . . . . . . . . . . . . . . . . . . . [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)
							777133e907d61eb5876a68016440b5acf2eb8ed1
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ctc.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ctc.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d733222b40000040300473045022100a1f67b553da27d526426303eba1f98e90d6170e3fa9a7459c6f8af125cd8b6100220253c2a85553527c69fffc139a87cbf57661dc700b471588b184703c7c39a78c300750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d733222dc000004030046304402202f453640ea19cd32852ea9a5b9e4aa89dcc873154287950e3d626885104555d6022028f03e34ab807679b395e794c381c4f11c6cae86f943eb8e12c3f09eccc86d45
 . . . . [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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