www.itimes.co.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:38:ab:fb:87:ce:e0:20:c6:a2:22:d1:e9:c2:75:9e:24:ff was issued on by Let's Encrypt.

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.itimes.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:38:ab:fb:87:ce:e0:20:c6:a2:22:d1:e9:c2:75:9e:24:ff
Serial Number (int): 280621274351159668986581603617960026318079
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7e:72:28:1c:51:de:4e:50:93:b6:fb:49:ca:ed:5f:1a:b4:f6:f5:0b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 06:25:1a:72:03:5c:5b:81:e0:ae:a4:91:57:7b:94:55:a1:84:85:f9
Fingerprint (sha256): fd:56:5e:e6:de:dd:cf:e7:7f:cb:1a:92:a0:de:df:82:9d:02:f8:ba:e9:7b:79:b2:16:37:65:9d:62:92:27:21

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

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

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.itimes.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.itimes.co.jp

Other certificates including the domain name itimes.co.jp

(limited to 100 certificates)
www.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
mmn.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
loc.itimes.co.jp
www.itimes.co.jp
www.itimes.co.jp
mng.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
own.itimes.co.jp
loc.itimes.co.jp
www.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
loc.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
loc.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
mmn.itimes.co.jp
www.itimes.co.jp
alf.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
life.itimes.co.jp
mng.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
alf.itimes.co.jp
www.itimes.co.jp
own.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
loc.itimes.co.jp
aipo.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
loc.itimes.co.jp
www.itimes.co.jp
aipo.itimes.co.jp
www.itimes.co.jp
alf.itimes.co.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxEEWF2ucvRr6bLxINlHH
h8iAt8li+Ls/w7RLx6/z/Qu4tjDFp5My2twM2GbXWImSCRbXAAZ9jAFlsqZFKC3a
R+qU4tAHOLJFiaiIkw39Z6fwW4LuM+tqFvE3Kbpioccl4EIVJNyZHqb6Fwi16up1
jKlida4IT9CRRBAKV1kAh6q6ic9OBWW4eZtMUwhXOGUkDuC7z4uidwtbjbhURfUo
sOH2cAE4IA8j3fDPgObQjXTdsCjQVD3bqbPgRbZ+nfpU2QVrGsfjZpXDI5ldMPHi
FaaaLoTrQvTvcpma6ylqDTYIIoiR2sAuJ8R0dI6/uJ6ZzyNMn+eS2Bxv7NZVzOGn
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 280621274351159668986581603617960026318079
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-09 03:17:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-07 03:17:13 +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.itimes.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 24774803021552363864210959490816154623952867494270300458188016491501857699457802506403660143498393956267285205832153403551228761689939108756193343377604073479792010029210881265689797193299283175504941556478692420424019485754041003693981223608703706547219663145152380965384151617856096355295216323038653221459620240272719877265267541918274783564431031463192709147361206512554436898555850728122870799598032841042092079622924106008615152430442233282270038821010321295773053906539179505227572628917819629675203693151276317369705745575846405768202000165007340497289418499811130317763941493216570029572504733240970098878299
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							7e72281c51de4e5093b6fb49caed5f1ab4f6f50b
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.itimes.co.jp'
 . . . . . . . . . . . . . . . . [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 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016960ab4dfb0000040300483046022100dfb6be6e61d54b1dc367ab11dfe353d0d31882ac9932f7f91aa189f4ff6b3834022100bd8c984e9b8598b7d585cdfe98c0406f5dca641fca3551662d75a75a8a70d0ef007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016960ab4df50000040300473045022100c650f8e210ec3f0e66c6c5aa0ec891fc2509a2e6c990b4f7d2533c3fd14ea57e0220150b8c9ea1886e923a356967afec623744a2415213fcb8f444577a92a8a5ebc5
 . . . . [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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