zoo.zool.kyoto-u.ac.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:bc:d8:28:53:ae:ba:5e:ae:c6:c1:7a:ab:92:08:02:05:62 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=zoo.zool.kyoto-u.ac.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bc:d8:28:53:ae:ba:5e:ae:c6:c1:7a:ab:92:08:02:05:62
Serial Number (int): 412709551344424676996045006629153456391522
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9b:8b:52:51:19:a1:9c:9c:10:8d:3a:d8:1c:3d:85:d3:42:41:99:66
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c9:aa:87:1e:d1:c6:2e:f3:e7:6e:e4:55:f6:dd:60:89:49:2e:fd:f9
Fingerprint (sha256): 02:3c:b0:df:b0:c1:07:b8:22:e5:09:b8:da:fd:1a:9b:7a:df:d2:12:c8:d0:00:20:32:25:23:bd:83:ee:38:0b

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate zoo.zool.kyoto-u.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zoo.zool.kyoto-u.ac.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

zoo.zool.kyoto-u.ac.jp

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Certificate

The complete raw certificate details for zoo.zool.kyoto-u.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqnZf1WxP1jcf0f8Qy7Vr
whRbzVNTUhAk24PPJa64U1xhtYFbLY7Ti1VhTIpXr+/rSO86Tw7FUg/D5mmUE7EQ
GArsdHGUkWSzBohUofTLv2BCUEengFLI9wdrfPqYoIO1W1EsKe06pzszzjO8t5ro
Jd9Ia5J6DLH6oNi3IharbXbSCBP1e8X9V/VJSj5fh9lm9IfRVNOzPQ4YAvkJsUxB
Fdw72qcD3YvcuYm7nP2Mt8b6bavi9J/KbmAUMVO8CikHbBWqytaxnOk0Uzjul/8s
Pyx8I2ZZ0DkywWMnzi8qsEYVbshbOVTFadhmm3j1B6P8YHB3Lvb/WQWz0EimUWAm
OwIDAQAB
-----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 412709551344424676996045006629153456391522
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-03-18 05:13:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-16 05:13:45 +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 'zoo.zool.kyoto-u.ac.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 21518884411952075653055498545841142305852979113328200639637845109880631678864701771590653904916969500543823942925278935973121389444576431301218154772577143867585852866021829515469102260860743779528125336910483136201481438902177575862202168027373688178627061181020882411323903022820063892082547392782988341966325007851817033706832257706419058551326615503311909238834981678499463868833733094651629226302765907319256276208506020108107079410727335263921418277428716476577494476638765175040560056106686094733060616860733445912361505770863869691556729619623879302054818956877004070745909478836017494361723857087664306005563
 . . . . . . . . . . . . . . . . . . . . [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)
							9b8b525119a19c9c108d3ad81c3d85d342419966
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zoo.zool.kyoto-u.ac.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186f35a4b3b00000403004730450221009ebbed68f662b79901b5699480d32831c57d1c54b3b4baeb7c0cd89d8704e1b3022040e3194b2b56b7fb71dc74394bce89d8fc9470c8f1bb00b87fad8973f8321837007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000186f35a4b4d0000040300473045022100f26a6f5f59c56f1914fb69bb845d19fc7ec8973e730d00ec7a0443ea1aefa5de02201884f605ae902eaecbf037cf4d484e0891037d5d792b3f487b13028259b0f283
 . . . . [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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