doctorbook.jp

Issued by GTS CA 1D4

About this certificate

This digital certificate with serial number d8:51:03:12:c7:fa:cb:d4:0a:27:ce:4e:06:f2:94:28 was issued on by Google Trust Services LLC.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=doctorbook.jp

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): d8:51:03:12:c7:fa:cb:d4:0a:27:ce:4e:06:f2:94:28
Serial Number (int): 287533885470309596758091516182067844136
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: d3:d6:c8:84:0c:db:b1:be:f9:6a:ac:b3:66:a7:e0:17:9f:6c:21:49
AuthorityKeyId: 25:e2:18:0e:b2:57:91:94:2a:e5:d4:5d:86:90:83:de:53:b3:b8:92

Fingerprint (sha1): c5:ea:40:d3:de:dc:c8:53:01:84:d1:76:2c:f6:b6:2e:9a:b7:7f:2b
Fingerprint (sha256): a6:7f:40:6a:1b:49:cc:88:24:82:51:6b:7a:bd:98:ad:46:65:83:95:d8:f3:f4:1c:67:1f:be:b2:7f:b0:f9:41

Issuing Certificate URL: http://pki.goog/repo/certs/gts1d4.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1d4/-6tv0TaJlpM
CRL Distribution Point: http://crls.pki.goog/gts1d4/XLJmE2isUZI.crl

Check the revocation status for certificate doctorbook.jp

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for doctorbook.jp

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

doctorbook.jp
admin.doctorbook.jp
academy.doctorbook.jp
admin.academy.doctorbook.jp

Other certificates including the domain name doctorbook.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for doctorbook.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArCsDN15/8ng+M0P2lXdv
1IJpKCGikZJwp+twKELiWIH9FbWvVAbKHW7RrAdV5NKQkyYIXMC70kaY7gJGVrWE
vnscxqXtilZwSDgUPTbWyb4S/ObFs+hQWleitp9rdiwG1rJsARo02JV8pMWzsLEe
68Vg6ecUwfWvpKJ5HNk8sBimo7ZsWgf4isdWda3XZKF5cLjwQYTcdZqXwlU1Ccki
gSqhW7wVsD1nXBaekaKpeYJSZheehLDc0/Ypt3lQDBaPLbPsLQjAV5bqfkfuR6ZA
7ZZcgp0n+33ePXtCsMFMyHCrJTBzONsEvTagneTQtghLU2M92Bh7dHOv6JmnhN8e
SQIDAQAB
-----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 287533885470309596758091516182067844136
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1D4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-09 11:59:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-08 12:53:52 +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 'doctorbook.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 21734198739799316503318075040326807786539901024709024716753479822979412904875919188757857902669660788345000477840531082122922242295402448044226262115645633549158636235010067597768915267001822119859872495317447490806507165135939193458647699742890589486727994647651975074963602876784258079084916676328838137445297212393667412647595981123622567069873675543189442551847432633481839992498127796869140104572097766907699441668244189807660529731425588176363042468211311119486984743817699138551584482532426735345136246213602805470892867415994277459343700718261326222196849626048855028060257234419953076267032352523155513744969
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							d3d6c8840cdbb1bef96aacb366a7e0179f6c2149
 . . . . . . . . . . . . . . . . [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 25e2180eb25791942ae5d45d869083de53b3b892
 . . . . . . . . . . . . . . . . [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 (108 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.pki.goog/s/gts1d4/-6tv0TaJlpM'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1d4.der'
 . . . . . . . . . . . . . . . . [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 (90 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'doctorbook.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.doctorbook.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'academy.doctorbook.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.academy.doctorbook.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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [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 (53 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://crls.pki.goog/gts1d4/XLJmE2isUZI.crl'
 . . . . . . . . . . . . . . . . [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)
							00f00075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018ec2f1a0a5000004030046304402206233fb5f749c52eb6796a4cdd0d00aa7543b347446161e63106067d52404d950022053847e115744fa2c7c7cd247bc59f16f13777e1fde88c3a6af83b1a77c67592f007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ec2f1a0920000040300483046022100c67c60f04e769f2dfd6cb773869750d273d69ff979d5a07a4cbf087450e9627b022100e8d1b6ba2e4428d57d71fc9751dc303a538af9c6af2cbc7f690a02629e1294ea
 . . . . [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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