tiertek.com
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number 13:60:ed:40:7d:49:6c:e3:db:8a:8d:d7:79:76:bc:b1 was issued on by Sectigo Limited.
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=tiertek.com
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): 13:60:ed:40:7d:49:6c:e3:db:8a:8d:d7:79:76:bc:b1Serial Number (int): 25758604458785603427630012050089360561
Serial Number lenght: 125 bits, 16 octets
SubjectKeyId: a6:ab:a0:5e:1d:59:ed:32:16:f8:05:e9:e0:8a:71:b2:ef:d6:5a:a3
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 87:4c:50:ec:71:c1:a2:31:be:69:27:d4:6c:49:3c:84:71:7c:9e:0d
Fingerprint (sha256): 5e:97:5c:62:e9:2f:4f:f7:80:de:a9:2f:ab:9b:15:07:6a:7f:3d:26:88:c4:c5:5c:0c:c8:8f:8a:8c:0a:04:67
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate tiertek.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tiertek.com
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
tiertek.com
www.tiertek.com
www.tiertek.com
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Certificate
The complete raw certificate details for tiertek.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFuDCCBKCgAwIBAgIQE2DtQH1JbOPbio3XeXa8sTANBgkqhkiG9w0BAQsFADCB jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB MB4XDTE5MTEwNjAwMDAwMFoXDTIwMDIwNDIzNTk1OVowFjEUMBIGA1UEAxMLdGll cnRlay5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCvkY/1QB+Q FaY0ZceZ8UxsEZtPekZ2baz0GJD0GBjdfq1rgBybZRyiCpMBH69D2tAked1KSHF4 egWCTkCTqofu0Y28DbuhCb2ytcmKi0KPuTPsssWmuS175YJp9xrymaPtXHJDWNiB GBhe0E81bkPY56WuqwRHruUKqaGXil1FbvOPkKUNJmJua8wDSv5Nlaxr13NS7GQf uSLkMOaWzhPnbw5L2oO1RkHbZbZNxhvcKbh79ySmp3JlV80OOugd/XWBdzIUQmBX qg8jtvk3i8k86a3kBkozeBluBesf6xCtlzAPQ6ejA/k5bZ46n4K8+Zy/+bKGCGFs eyCNgLfTRVznAgMBAAGjggKGMIICgjAfBgNVHSMEGDAWgBSNjF7EVK2K4Xfpm/mb BeG4AY1h4TAdBgNVHQ4EFgQUpqugXh1Z7TIW+AXp4Ipxsu/WWqMwDgYDVR0PAQH/ BAQDAgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMEkGA1UdIARCMEAwNAYLKwYBBAGyMQECAgcwJTAjBggrBgEFBQcCARYXaHR0 cHM6Ly9zZWN0aWdvLmNvbS9DUFMwCAYGZ4EMAQIBMIGEBggrBgEFBQcBAQR4MHYw TwYIKwYBBQUHMAKGQ2h0dHA6Ly9jcnQuc2VjdGlnby5jb20vU2VjdGlnb1JTQURv bWFpblZhbGlkYXRpb25TZWN1cmVTZXJ2ZXJDQS5jcnQwIwYIKwYBBQUHMAGGF2h0 dHA6Ly9vY3NwLnNlY3RpZ28uY29tMCcGA1UdEQQgMB6CC3RpZXJ0ZWsuY29tgg93 d3cudGllcnRlay5jb20wggEGBgorBgEEAdZ5AgQCBIH3BIH0APIAdwAHt1wb5X1o //Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW5AKL/kAAAEAwBIMEYCIQDO2ube 7wHvc6anDcUxxUUTSpnviZHLQEWHsot67fQ47wIhAJYSGcJMkcGhkt1D2pbAWmeI cjvB7KNYDIOEE+p5bWapAHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFx RVgAAAFuQCi/2QAABAMASDBGAiEAiq2enrzAFvT3eN2Gr9Rxpo9KosI70Kjfh7j7 pWS7z5ICIQCUgBwk4451NsWxv41Yy/XmQRYWHi4dDwN0gtpkl+M07DANBgkqhkiG 9w0BAQsFAAOCAQEAwhUNiUZfJaP+JAQ2yWVgy4PAGwtxYa2Yo5gx1JpGPMwdsKVA 6dh0w1JpHNl8C7A7AamzYfhLGHLzC56Gf96wLyWS0ATYHyw1fqlPgN3QN+NJ4xjj YP0zxoymfzY2J1OIXXSubF+MU/57ydhUp6MtDp0Pn536yxlNQdKNDV/lCV7KSpK9 DzYReRLtMq8K6PFKAawTlroNF6MH9dZsVBQqdFAfQ2cgHbVTYp1JdlK8/BpVPQTO dumJbs3ZmiI61VS9sULOBCZGg1GomNIvOAbU4qSBxCQbDbsw6Jvt8OBWWQO7xZZW pvsCzzSjM+AmsHQPgkbl/+7CSsCPxcl1o+Es/w== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr5GP9UAfkBWmNGXHmfFM bBGbT3pGdm2s9BiQ9BgY3X6ta4Acm2UcogqTAR+vQ9rQJHndSkhxeHoFgk5Ak6qH 7tGNvA27oQm9srXJiotCj7kz7LLFprkte+WCafca8pmj7VxyQ1jYgRgYXtBPNW5D 2OelrqsER67lCqmhl4pdRW7zj5ClDSZibmvMA0r+TZWsa9dzUuxkH7ki5DDmls4T 528OS9qDtUZB22W2TcYb3Cm4e/ckpqdyZVfNDjroHf11gXcyFEJgV6oPI7b5N4vJ POmt5AZKM3gZbgXrH+sQrZcwD0OnowP5OW2eOp+CvPmcv/myhghhbHsgjYC300Vc 5wIDAQAB -----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 25758604458785603427630012050089360561 . . . . . . . . [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 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'Sectigo Limited' . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-06 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-04 23:59:59 +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 'tiertek.com' . . . . . . . . [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 22163482832186939312423605761817209727377738113234028823717213834440004743682647096780048511467106285959820284449109596799564361024507617607898102188676235568840167962193131136171104050848500937656214906613738100835235717744805403037612973576977720571643891559928352701221432958565004410097808306833719644815528595321779331902174493484505427050290637682734079652245295569729510404700235178045168777030228141113047360301155985058844870119125456877483816252379938370841692659717044081466753711067913307640506487515787050347159480156771555062681603748662970092206088917008921535428149405070329779272084360044951435042023 . . . . . . . . . . . . . . . . . . . . [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 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [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) a6aba05e1d59ed3216f805e9e08a71b2efd65aa3 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (120 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com' . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tiertek.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tiertek.com' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e4028bfe40000040300483046022100cedae6deef01ef73a6a70dc531c545134a99ef8991cb404587b28b7aedf438ef022100961219c24c91c1a192dd43da96c05a6788723bc1eca3580c838413ea796d66a90077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e4028bfd900000403004830460221008aad9e9ebcc016f4f778dd86afd471a68f4aa2c23bd0a8df87b8fba564bbcf9202210094801c24e38e7536c5b1bf8d58cbf5e64116161e2e1d0f037482da6497e334ec . . . . [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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