tiertek.com

Issued by UbiquiTLS™ DV RSA Server CA

About this certificate

This digital certificate with serial number 6b:a7:34:5c:e7:f3:c8:d5:2c:6b:85:da:e5:97:52:53 was issued on by COMODO CA 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

COMODO CA Limited

Organization: COMODO CA Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This certificate has expire since

Certificate Details

Serial Number (hex): 6b:a7:34:5c:e7:f3:c8:d5:2c:6b:85:da:e5:97:52:53
Serial Number (int): 143095571170437410462403978729520321107
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 10:6e:06:eb:c0:dc:54:8c:5b:d7:6c:be:b1:99:f4:5d:5e:1c:2d:1c
AuthorityKeyId: 38:12:c6:79:02:66:38:02:e3:37:24:e5:8b:0f:ff:45:95:69:e6:31

Fingerprint (sha1): 31:54:54:fb:7b:53:00:98:7e:9b:fa:e7:0d:96:e7:8d:29:46:56:b8
Fingerprint (sha256): e1:97:19:c5:4e:45:e3:f8:95:c3:9d:f8:4e:a3:24:80:d3:dd:12:b1:a7:c1:62:3c:11:3f:5f:db:86:8a:04:89

Issuing Certificate URL: http://crt.comodoca.com/UbiquiTLSDVRSAServerCA.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com

Check 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

Other certificates including the domain name tiertek.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgEZp4yobi7Ha784kmLgd
BlAXagfCobGuqdyEojd6pmnqKse5vR/JVDtACBUhanBkhyMkp/5Uw4NCblhLxnsc
F2nXSuPOc3wEXECiA7608mK+NGoUvLXSnVEbKtPKx9k9Fr8JrsyN6y+ksqHkCvY6
pB0sF4Ksx0GoUcsA7FESRpDSBjsoGY9qBQ/fLGE8xne4MGogMSZIrxoPGIamGvBb
TUegL42xEZnNmjHe6fbR1MNO1RyVox+4VSBNVuPYFupyrTJxQzYmRUmqsBXy9xF5
ltK4Pu2tSnWyEmvaftlzvfwf3tJzysTfH+oEu1uIPrrIBVAfIJnELgA05JhxLLfV
RwIDAQAB
-----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 143095571170437410462403978729520321107
 . . . . . . . . [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 'COMODO CA 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:12|false] UTF8String 'UbiquiTLS™ DV RSA Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-08 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-06 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 16193225287028713592166057622325380547971167450107094072340096034308671505499231596689479739743408260719441801560946216388476268124982636285679594233207724827114095696146952329541713653901504313944986249281819920653338178031926255903772672580120931876476789935933258325068373021508395537201086942263366478967541501016055508131410329306007233262847945665747968809657301938052351582402335289126948744512036299568798010476552127567292520648406804364622418944954361693841278282772684978898964008938022971940554690630296938200854617539630767381801845117589001487524803114865406694157621916103252391930395117364268229973319
 . . . . . . . . . . . . . . . . . . . . [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 3812c67902663802e33724e58b0fff459569e631
 . . . . . . . . . . . . . . . . [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)
							106e06ebc0dc548c5bd76cbeb199f45d5e1c2d1c
 . . . . . . . . . . . . . . . . [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 (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.1.3.4
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.net/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 (104 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.comodoca.com/UbiquiTLSDVRSAServerCA.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.comodoca.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)
							00f2007700ee4bbdb775ce60bae142691fabe19e66a30f7e5fb072d88300c47b897aa8fdcb00000166f1edac6b0000040300483046022100cc1fecc982ce6c7da24bc6fad1982efe6bbffd2f8e393f4f2a1de1c9fe9b6109022100e24f8068faf9254cb9c64baa1d46d9c5daaefc48a817f046d85d8b9a30ea6d0a007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000166f1edabfd0000040300483046022100cf75378afb60223c5c61a007a1789494661f30d4d02f8c8b1c36faba778b96b30221009be939bdc8056f6533e65d8050f69c7d454c89108b608982a94fdcbf339ddacf
 . . . . [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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