tekpro.zentek.com.br
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:e4:0f:31:4f:8b:1f:e6:cc:86:21:ae:9a:e6:e3:16:2d:c7 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=tekpro.zentek.com.br
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:e4:0f:31:4f:8b:1f:e6:cc:86:21:ae:9a:e6:e3:16:2d:c7Serial Number (int): 426053717840830744532837096342824594845127
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d1:ac:b3:6c:e7:de:2d:e6:ef:0e:a7:10:28:cb:61:70:4d:ed:b6:07
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d8:78:33:6c:d6:11:c3:f3:72:2f:4e:e1:2b:a2:af:8c:69:47:75:39
Fingerprint (sha256): 63:58:2d:a9:0a:0d:ec:c3:00:5a:17:d3:d9:0f:cd:0a:b5:dc:d0:6f:f3:ef:24:7e:a9:67:89:2a:e5:48:87:5f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate tekpro.zentek.com.br
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tekpro.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
tekpro.zentek.com.br
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metoda.app
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mobile.energypager.com
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aunclic.com
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sales.zentek.com.br
test.zentek.com.br
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www.zentek.com.br
zentek.com.br
zentek.com.br
zentek.com.br
tekpro.zentek.com.br
www.junkdrawer.io
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crm.wemade.dev
*.zentek.com.br
zentek.com.br
test.zentek.com.br
www.developer.bcregistry.daxiom.ca
tekpro.zentek.com.br
*.zentek.com.br
tekpro.zentek.com.br
matthewiannucci.com
www.ppsapplications.com
*.zentek.com.br
zentek.com.br
tekpro.zentek.com.br
www.zentek.com.br
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rydpay.thinxcloud-staging.de
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www.uhladiku.cz
*.zentek.com.br
www.zentek.com.br
www.uhladiku.cz
zentek.com.br
*.zentek.com.br
test.zentek.com.br
www.zentek.com.br
metoda.app
*.zentek.com.br
mobile.energypager.com
www.zentek.com.br
aunclic.com
2022.bsjobedu.kr
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bia-staging.noltech.co.za
zentek.com.br
www.teresaklaman.art
Certificate
The complete raw certificate details for tekpro.zentek.com.br in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFYTCCBEmgAwIBAgISBOQPMU+LH+bMhiGumubjFi3HMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMzAwMDQzMTRaFw0y MDAxMjgwMDQzMTRaMB8xHTAbBgNVBAMTFHRla3Byby56ZW50ZWsuY29tLmJyMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyj65i+rDI7gneM8iP7NXm9/I f36ZDF8Czvocqx6gEyxRzU0s+rv54v9dXdLBHHY69eTHTb1NrDrw3bzAp0conEKw XqUrQGluZ2nH5x2rbdbF5jNzuxp3qhLMBcZA0JWBk7+sC3xt1I6bXsirHJZXGd+r meb44pAQovQqBbbIwoLz1L3GiJNHMaEKAIMU1z0FF/i6EIXUqv7Caprlhu3iu3r9 5+NBd7ft06ZuPTDtPyLGojmVVy/2CVdFbg0z/J31zgOl5E0iXi0if6o3ReSI4njC Ou++jbMm29WcVZrwMJCHDxBNi6pEHf8eMH+IrLf4Lmst7jbq79txDPZ+KZj2gQID AQABo4ICajCCAmYwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTRrLNs594t5u8OpxAo y2FwTe22BzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMB8GA1UdEQQYMBaCFHRla3Byby56ZW50ZWsuY29tLmJyMEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDx AHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFuGlTK+QAABAMA SDBGAiEAt40udkgmg44UZwwFpBU7BTXnp/VE09Q8tbNMAqk7jyQCIQDretbvQjIC McjPg8MIqmShlWLMTFf5vmaZvMR9OmzDLgB2ALIeBcyLos2KIE6HZvkruYolIGdr 2vpw57JJUy3vi5BeAAABbhpUyu0AAAQDAEcwRQIhALIzcwZCSL4gnBFLiVaPNK+H BUWDAYJahW+58Z5MjHUnAiA27Z3/DWOpyZBko4GyW5U5W5u/8Btm5FhF2JmCiMdr CjANBgkqhkiG9w0BAQsFAAOCAQEARijVtqU1wBm2STKncZa5XiFcVRrII4nqA9E1 xUTW8CeyljW+WNi3V+a8yV9o1T3UIYwgTqrRH8wflMw03Eo2kLr5NmI+dwiFagGS ZdPHxjC2x7Z/OEbed/+P3ptpr+epXGEAnJ3pb++GGBnPTEtpdFBs6aArhtLq82z8 3DimjLR+TKixodR7AdI6qZbLS5e5vR+k8g+FWMFojVN3Bp6DXXkrwZlo0Bfar2lV DqgvSXYoIZhieJVc908ZjdD9N32wlCdsW0nLDdNOqrYf7EoPz4iK8izQ6o1uO41p wiwlTSl8xHZUx8yvEUSXGqcHD8K3a5Kt5mDNxxt4KH4heDIwWA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyj65i+rDI7gneM8iP7NX m9/If36ZDF8Czvocqx6gEyxRzU0s+rv54v9dXdLBHHY69eTHTb1NrDrw3bzAp0co nEKwXqUrQGluZ2nH5x2rbdbF5jNzuxp3qhLMBcZA0JWBk7+sC3xt1I6bXsirHJZX Gd+rmeb44pAQovQqBbbIwoLz1L3GiJNHMaEKAIMU1z0FF/i6EIXUqv7Caprlhu3i u3r95+NBd7ft06ZuPTDtPyLGojmVVy/2CVdFbg0z/J31zgOl5E0iXi0if6o3ReSI 4njCOu++jbMm29WcVZrwMJCHDxBNi6pEHf8eMH+IrLf4Lmst7jbq79txDPZ+KZj2 gQIDAQAB -----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 426053717840830744532837096342824594845127 . . . . . . . . [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 2019-10-30 00:43:14 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-28 00:43:14 +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 'tekpro.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 25531068350496502475837346720221434751527400774097919953079720257918334847230543865132669539725975955894892651135780975104592403261244853987851291714283385272973336483092623925699874948334848002468796089001944727601391203935871903197805917109650661572004829607036763626145349421241156449909965967419907442606686567834051356350359439873527617156482218103585113767350856391208958961088407738553455781058311458052054526208266891745158888131491528715327716687440693509167574021823860739329759731928213423047054151652423709166986940393069595768910547152872249152662303504046362009935989905429109371867187709083413481322113 . . . . . . . . . . . . . . . . . . . . [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) d1acb36ce7de2de6ef0ea71028cb61704dedb607 . . . . . . . . . . . . . . . . [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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tekpro.zentek.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) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e1a54caf90000040300483046022100b78d2e764826838e14670c05a4153b0535e7a7f544d3d43cb5b34c02a93b8f24022100eb7ad6ef42320231c8cf83c308aa64a19562cc4c57f9be6699bcc47d3a6cc32e007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e1a54caed0000040300473045022100b23373064248be209c114b89568f34af8705458301825a856fb9f19e4c8c7527022036ed9dff0d63a9c99064a381b25b95395b9bbff01b66e45845d8998288c76b0a . . . . [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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