tiertek.com

Issued by UbiquiTLS™ DV RSA Server CA

About this certificate

This digital certificate with serial number 32:46:d3:18:02:24:81:0c:d0:75:60:53:ce:3b:8d:fb 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): 32:46:d3:18:02:24:81:0c:d0:75:60:53:ce:3b:8d:fb
Serial Number (int): 66829142059908603194798096773847682555
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 06:80:fd:ec:19:75:82:0b:bb:74:34:b9:11:b9:15:11:cf:5b:0e:46
AuthorityKeyId: 38:12:c6:79:02:66:38:02:e3:37:24:e5:8b:0f:ff:45:95:69:e6:31

Fingerprint (sha1): f9:80:7c:ed:05:71:1f:cd:ba:2d:b2:78:b3:a4:f1:df:7a:d6:e2:93
Fingerprint (sha256): 28:50:42:8d:b8:d9:0a:a3:a6:9e:ec:64:19:7c:e7:db:85:ef:da:47:7e:cd:3d:75:85:3f:f3:4a:11:fc:d6:ba

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

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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmKa2xr1o3oKzu/rjKQ+Z
U1s4Xxuj1H8BasfWiHfjIj/M9bUV6CyRvnrW/yIBHaEwyEhOg53NyUaxYIHShJEW
ID8qmvEnaQj5xLNTqVUQ0YMW8zDYIhMmHZ7BeyNof6olXNA5hvLCDWA6yyFTLb+p
X+cF5KvG0V4SQYcemuYeKsN9jMwOfVoh2hjY4Oxw8oeM8kr2j/+1zbuTuqu16Xj8
rlYA+Ah+ogX33BbENe1lytYM7wJgnWxM9rKO/IFFvqmaXH7wqVsTKLHAE8dGDFCN
MwOsW9JzTpiyzcq0W5u/MSI7lsbGvc1dL4FGovbozFo2HJHiOJ1divor8WRtHs1k
wwIDAQAB
-----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 66829142059908603194798096773847682555
 . . . . . . . . [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 19270432077460990795653972755190712282605140367127802036336388404046773322608718465072175998456310317903426100256736733465553674506859825217317010856446479110819956185919146132948969674230225922950752636734823715062639247390183879508709478174664931487699692537834762950240225915019335912069595446685701522419848699912250793469326958767187307827201009763584943161578159675443318698196010818176387090086894315545553512930311121243790796648743895893907877403747938018489122340141869130004743953339049003976931263904517407641870190672609961320459218541109134179850185470094631873257636555975511761235752807450551421592771
 . . . . . . . . . . . . . . . . . . . . [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)
							0680fdec1975820bbb7434b911b91511cf5b0e46
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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