doctorbook.jp

Issued by GTS CA 1D4

About this certificate

This digital certificate with serial number 2c:85:5c:59:e7:b1:75:1a:12:32:0c:6f:bd:dc:48:37 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 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=doctorbook.jp

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 2c:85:5c:59:e7:b1:75:1a:12:32:0c:6f:bd:dc:48:37
Serial Number (int): 59178480401417000342174581656521558071
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: ab:87:04:9e:2a:c4:d7:14:55:79:7d:cd:c6:48:ff:6d:0f:fb:b3:10
AuthorityKeyId: 25:e2:18:0e:b2:57:91:94:2a:e5:d4:5d:86:90:83:de:53:b3:b8:92

Fingerprint (sha1): e7:a5:d6:d1:37:cc:57:d1:40:5b:c0:b5:6f:c6:e5:1c:9e:60:69:71
Fingerprint (sha256): ce:1e:ff:d6:1f:d4:97:79:45:22:5a:9e:da:93:63:d6:e0:2f:f6:52:37:82:09:8b:ed:3d:59:70:07:3c:c8:e1

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1d4/5v-sU-5-Qy0
CRL Distribution Point: http://crls.pki.goog/gts1d4/3VO01BEoEj4.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

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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnjtiih+pZRPDu7LhiCAl
XKTw2qBUu458CMZs/fkucsCF0pzDK95GLwsyYXwWHwSF3R6Lg9GgKZp+FEMhly/r
QnoLL3dHlbObsvYyq3aYUm9RWaJkJcJa6a304/JHTsVC9tkSex4Uxb5r0vmblAUt
FRQEqDGv1W0nZuiEsnTbc7n86mUZ8YDjXQ1FdW0hGwVTiYzB0nACxeh3cXQVVHPo
zCWLTbNQdvEeQcsKfETmlvLHRPbqWKxFd9AuMzXM1AA0H52To1Q7FYePFlQ8Qlj4
IcFhbT872i38ep6aUFIIqH8ZOZLnG+hBUky45ltXOojgnqcMXEuYa4Kw/5S97Ahv
TwIDAQAB
-----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 59178480401417000342174581656521558071
 . . . . . . . . [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 2023-02-18 19:30:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-19 20:21:23 +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 19974935980160614984015602421429849195837099211441360707100472416783634956745909725916219468396378828075307514828340348982271656546279952016947780823059062058563654390291588601196866505022266076765675475773866818573513692438301125648813381510469352698149871454663989851019876709131420214026831282222688473789264096339383048583298897421141766200545720696240123542493755481932032924613409418689305610781749637878268191090941353726311931081381666549631764988436331102037416973764455746067157451884844123933769841313897289449969995555062822381457458320240919929487245643883018883956158381284950010067567068472218416082767
 . . . . . . . . . . . . . . . . . . . . [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)
							ab87049e2ac4d71455797dcdc648ff6d0ffbb310
 . . . . . . . . . . . . . . . . [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/gts1d4/5v-sU-5-Qy0'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/gts1d4/3VO01BEoEj4.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018666389f4200000403004830460221009e266871e0f18e07c897a220774df2153b6f4d198c67b3fc4965c0dcc0e4ad160221008cc85c2b0e253e74fa18355c4131e203a89aa2eb82f25b347d2c440a044636f60076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018666389f7900000403004730450221009f058dd1ee7112b38d86ede2caad5b2a8f5bc055e88b02cac64c55e077480f9c0220197ee5dd854ad1cdca98662d1629d0d64a28011a747c73e7e2cd6b4cbe7a77fd
 . . . . [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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