www.i-q.com.tw

- President Information Corporation -

Issued by GlobalSign Organization Validation CA - G2

About this certificate

This digital certificate with serial number 11:21:a8:bf:db:63:39:13:b4:4f:c4:9a:a0:ac:81:9f:2d:e2 was issued on by GlobalSign nv-sa.

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)

President Information Corporation

Organization: President Information Corporation
Organization unit: Infra
State / Province: Taiwan
Locality: Taipei
Country: TW

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: BE

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:a8:bf:db:63:39:13:b4:4f:c4:9a:a0:ac:81:9f:2d:e2
Serial Number (int): 1492362485430015964060898350622909910691298
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: 26:f0:0a:be:26:68:71:d3:f4:2d:dc:23:eb:18:29:b8:34:de:b9:08
AuthorityKeyId: 5d:46:b2:8d:c4:4b:74:1c:bb:ed:f5:73:b6:3a:b7:38:8f:75:9e:7e

Fingerprint (sha1): 55:1c:ca:bd:0b:98:bc:3f:74:0f:b0:4f:de:b9:5b:31:ae:43:36:cc
Fingerprint (sha256): 81:02:93:98:28:50:10:5b:a3:51:ce:93:fe:ad:6e:5f:67:af:49:58:12:e8:fc:5a:e5:e1:a7:f0:6e:b7:82:19

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsorganizationvalg2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsorganizationvalg2
CRL Distribution Point: http://crl.globalsign.com/gs/gsorganizationvalg2.crl

Check the revocation status for certificate www.i-q.com.tw

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.i-q.com.tw

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

www.i-q.com.tw
i-q.com.tw

Other certificates including the domain name i-q.com.tw

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.i-q.com.tw in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1uPag6p2ulkzZoazXY2b
jYv+e7xsCf0g8yAQKnC+bkSPZJ7xqEl2em3ADLJiVoExN71ytP1Z6+V4RM/j2Cyv
8Y3Td9D/GPplIcC6MJcpo/joW0GbpVmfamT892pCAUoE7rVyZjYQ/JiQL2ijO8MA
xYLP3kuQxRA1G9OcW8zAF+5alpQD4M2ij3pW+IjYe5nXVuMaLB0iO6o853te3z8I
cI1C9UFq114EexKcdGjyg2oFsWJ5Y11eppbky5ctvT7qZ7bR6n+EWEbs30SC/PH/
2PVSod4l1eSGE9n7n8RH5UZ92kN/qZBESviDpz/ZnQiV9e6yDKG9sbZcXrFpehW4
dwIDAQAB
-----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 1492362485430015964060898350622909910691298
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [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 'BE'
 . . . . . . . . . . . . [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 'GlobalSign nv-sa'
 . . . . . . . . . . . . [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 'GlobalSign Organization Validation CA - G2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-02-07 06:11:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-02-08 06:11:02 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TW'
 . . . . . . . . . . . . [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 'Taiwan'
 . . . . . . . . . . . . [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 'Taipei'
 . . . . . . . . . . . . [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 'Infra'
 . . . . . . . . . . . . [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 'President Information Corporation'
 . . . . . . . . . . . . [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 'www.i-q.com.tw'
 . . . . . . . . [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 27127356046542889728924717383304643861865080954082514376967060653764846290756689025719203186784060568284431360225186779414247388468025667721753628194029740958214538752134730559277601208881966296009058853228601167820513996980562652794329668742834101838420101662624237659938280624397779940603169534964844888101230145816136162233090049906350187158616359774841239950987143668141637641734775298693932827484744652522924059939992168524638201862559602573018215671985691401706758563215607861007313709428696866586711957314889266970992872115346249478763502141031899587784930597443640361918337269083024826769999646718452420687991
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (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 1.3.6.1.4.1.4146.1.20 (globalsignOVPolicy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.globalsign.com/repository/'
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.i-q.com.tw'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i-q.com.tw'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (62 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.globalsign.com/gs/gsorganizationvalg2.crl'
 . . . . . . . . . . . . . . . . [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 (137 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://secure.globalsign.com/cacert/gsorganizationvalg2.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://ocsp2.globalsign.com/gsorganizationvalg2'
 . . . . . . . . . . . . . . . . [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)
							26f00abe266871d3f42ddc23eb1829b834deb908
 . . . . . . . . . . . . . . . . [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 5d46b28dc44b741cbbedf573b63ab7388f759e7e
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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