*.zentek.com.br

Issued by Amazon

About this certificate

This digital certificate with serial number 01:1c:1c:7f:6a:55:54:24:59:80:2a:ad:b1:1e:2b:ad was issued on by Amazon.

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=*.zentek.com.br

Amazon

Organization: Amazon
Organization unit: Server CA 1B
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:1c:1c:7f:6a:55:54:24:59:80:2a:ad:b1:1e:2b:ad
Serial Number (int): 1475190310177999689891775920918637485
Serial Number lenght: 121 bits, 16 octets

SubjectKeyId: ff:58:d0:da:e2:71:a2:c0:66:12:6d:0b:a5:76:46:c3:b8:1e:76:64
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): c7:bf:d7:38:cf:61:cc:8d:0d:f9:bf:ca:34:c8:05:37:8a:13:95:9c
Fingerprint (sha256): bf:4a:8d:51:f2:b1:42:80:eb:f4:2f:53:16:4e:6d:b3:67:76:bc:13:c9:2a:4f:8c:35:99:8a:d6:be:e0:78:07

Issuing Certificate URL: http://crt.sca1b.amazontrust.com/sca1b.crt

Revocation information

OCSP Server: http://ocsp.sca1b.amazontrust.com
CRL Distribution Point: http://crl.sca1b.amazontrust.com/sca1b.crl

Check the revocation status for certificate *.zentek.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.zentek.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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.zentek.com.br

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zentek.com.br
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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxf/WgesHlgrvA05JTqFZ
Po8D3erDJVFT1OzbyMRI/n6UcD+NUQYCL88dgnZwDI1bwQ1pG8GYQHSHLtdWOwcX
hgkubPrirrgBASgqOEW/H+37PJu13iuNBSAIc9N/bQ1u2Cim1XeCxzp/GTEL4HV6
e0d8lx6jojnoUA3QeeXrF5xCGPVvNMvyO0GOsUiVUR2h8q6166l+1eQlOUEOM3k4
q1Utz/3qud9DTSxap2NU+aBLkgOJuQ2YmwNOhDExS4i0RP8bxJsei6t2R0ttzV2c
/HaFub5UiAVwXLi6tUO1fo9hYcehks6syvEbMpEsFrtc6H8DkfRr2lcG5JKAI7xN
aQIDAQAB
-----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 1475190310177999689891775920918637485
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Server CA 1B'
 . . . . . . . . . . . . [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 'Amazon'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-30 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-12-30 12:00:00 +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:12|false] UTF8String '*.zentek.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 24995104458599837768048616587977619717049802401569974074884872030836205517171998074504224908645885222006041235058186865445325536163107235768247673905964618766734494501931450879238758662215441652100089921058161913116209213167565841372382660587708506650259889763612076476065348486086374436471763576946609774130035023957156888947647510286319289296882233717993487932241760344814176274016017664697365434986705295734707223664149033090459922887179890291347079177461638615005983240722773399550356787712539206770890425630407354040435870146448715011266466426160039277913981664152928821518733202534114182629708365563512577871209
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 59a4660652a07b95923ca394072796745bf93dd0
 . . . . . . . . . . . . . . . . [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)
							ff58d0dae271a2c066126d0ba57646c3b81e7664
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.zentek.com.br'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.sca1b.amazontrust.com/sca1b.crl'
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.sca1b.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.sca1b.amazontrust.com/sca1b.crt'
 . . . . . . . . . . . . . . . . [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 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)
							00ef007600a4b90990b418581487bb13a2cc67700a3c359804f91bdfb8e377cd0ec80ddc100000016eb9a49ea0000004030047304502200e2c362cc21b196def62f9b3d43e4f952085e1daad8b6218666ec391dbda034a022100a2d2d3bb498745398e4934ca740cf1911b66f7a841b5b18f5ac4998082f1902f0075008775bfe7597cf88c43995fbdf36eff568d475636ff4ab560c1b4eaff5ea0830f0000016eb9a49f840000040300463044022044db0d36b963861f2ba3e69e9200bfd6987187a8fe34fe44ec49c2e656045a6a02202a318c97cdb54d33854b47d712bef7cc1bcd3bdc30c8a5518f127db902c7925c
 . . . . [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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