www.crecos.co.jp

Issued by AlphaSSL CA - SHA256 - G2

About this certificate

This digital certificate with serial number 7f:8d:ad:62:a2:b7:71:b0:c0:41:41:f0 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)

Certificate Subject

CN=www.crecos.co.jp

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: BE

This certificate has expire since

Certificate Details

Serial Number (hex): 7f:8d:ad:62:a2:b7:71:b0:c0:41:41:f0
Serial Number (int): 39475873576783907272674853360
Serial Number lenght: 95 bits, 12 octets

SubjectKeyId: 77:86:89:f0:3a:ba:dd:6f:2c:6c:a4:52:59:68:f2:6d:55:a0:b0:db
AuthorityKeyId: f5:cd:d5:3c:08:50:f9:6a:4f:3a:b7:97:da:56:83:e6:69:d2:68:f7

Fingerprint (sha1): 8d:f5:63:a1:bb:29:ae:29:d9:18:27:e6:f8:b5:8c:95:82:43:cc:ac
Fingerprint (sha256): 6d:cd:1e:d8:62:8d:39:cf:21:06:df:37:18:ce:eb:87:bd:38:46:a4:62:a2:5e:b5:15:ff:bb:9e:4b:2a:c9:31

Issuing Certificate URL: http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsalphasha2g2
CRL Distribution Point: http://crl2.alphassl.com/gs/gsalphasha2g2.crl

Check the revocation status for certificate www.crecos.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.crecos.co.jp

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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.crecos.co.jp
crecos.co.jp

Other certificates including the domain name crecos.co.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.crecos.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvJA39jnNgxiqLyhHjbK2
8otiXGQz4I7col1ok/4gUfge8+h97MGwrp2sTMTypKJGKSYwTqz/iF+P5fWHM+Yn
9Fkn/l3L3uHogUmRlby3Sg/QWD3S5UwDSRgNezmNuXqcNOdafe6lKIPLf4EaS2fm
UMBBwuY6XAkhwfJ2axBIvouEbk68u6EiCD16xDbmGNyLAJix1IM0qU9puQSRTBbt
9O3fiQMZf76KIVyaE0PADAIrNNypyF1av65wxrfL6E6vKKfVAJdbxnbXm7KOOW0w
y4I7/JnHmnKOXNp2A0GuNzhu/kNRU/hMnVf+dRU+Im058Ud7ObDD1n0KUKpdIv2l
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 39475873576783907272674853360
 . . . . . . . . [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 '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 'AlphaSSL CA - SHA256 - G2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-09 01:09:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-04-18 01:07:32 +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 'www.crecos.co.jp'
 . . . . . . . . [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 23803918176262840240548499054816747861791184798734096950667182635319677030875662240757707082092657844385892127484676309109894341850918894121351469756367431381061406087228504084838588917803614337084317531659344657734682501929265129114944055980478457599615173830205167656123748954629441349989786499662627621381763790351391741676902904058749348393906034765589200855509950042476997482620315473105687985768857227278567281077926173489140793073295294002835549891603036564295675949467093997445870756944805442015973670536363506272607209593680400877089798357722578740513951680261051117419070939898945693282926372282760205018497
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (125 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://secure2.alphassl.com/cacert/gsalphasha2g2r1.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/gsalphasha2g2'
 . . . . . . . . . . . . . . . . [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 (80 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.4146.1.10.10 (Domain Validation Certificates Policy - AlphaSSL)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 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://crl2.alphassl.com/gs/gsalphasha2g2.crl'
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crecos.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crecos.co.jp'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName f5cdd53c0850f96a4f3ab797da5683e669d268f7
 . . . . . . . . . . . . . . . . [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)
							778689f03abadd6f2c6ca4525968f26d55a0b0db
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600ee4bbdb775ce60bae142691fabe19e66a30f7e5fb072d88300c47b897aa8fdcb000001715c7c39dd00000403004730450221008ac218426ecc8a925e19e6b2702366d07d3e03c31304aecfa32e14a369e91b84022018e510f5a51735cf2940619cb5b7630197ef6a9a573d8d74312f4dc0cb2b46880076008775bfe7597cf88c43995fbdf36eff568d475636ff4ab560c1b4eaff5ea0830f000001715c7c3bd90000040300473045022023e8017911bcda45aad89502a51049f44ad888130f9946ac39d9ea04ea4000dc0221009e5b59fc240947f0eea9c930cd6c398062ce7b2a851eb98658b272f08e2965a6
 . . . . [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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