www.aquaoasis.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:89:52:2b:fc:4c:c0:11:dd:98:7a:20:b0:1b:7d:04:43:17 was issued on by Let's Encrypt.

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:
  • 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=www.aquaoasis.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:89:52:2b:fc:4c:c0:11:dd:98:7a:20:b0:1b:7d:04:43:17
Serial Number (int): 308064767145116592724905524950442602414871
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 57:9b:9c:b8:1d:44:e1:51:c4:18:5b:04:ab:fa:f1:bd:36:86:d1:e4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ec:9f:78:e6:77:1d:a1:1c:aa:98:58:36:bd:79:63:ba:4f:8a:73:9f
Fingerprint (sha256): 7f:a5:2b:ed:1e:99:b8:ed:83:84:5c:dc:91:1b:62:2f:f4:6a:ee:fe:e1:bb:9b:ba:52:8b:b0:41:78:32:6f:10

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

Revocation information

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

Check the revocation status for certificate www.aquaoasis.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.aquaoasis.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

aquaoasis.jp
www.aquaoasis.jp

Other certificates including the domain name aquaoasis.jp

(limited to 100 certificates)
aquaoasis.jp
www.aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
www.aquaoasis.jp
aquaoasis.jp
www.aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
aquaoasis.jp
www.aquaoasis.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4l6lLZAlz53B0G3oRGhK
MhK8sYEUXFDxuG/A4M2hVtFwMoNvHgOZ22vcMgcnBaRW0N9WCFsyLlqySkAdFm3M
xo/PeQdE4D4etKG+9kr6oWNGcfbvghtIity+N2RQjuDjG6jmO40ITKA7oyLjGG5F
w1CKKPNiSPxDzwq2GgP/eDTGVu50Fke0FRHiKEeEU5MQXX3DI0xN/CqUqUrO5pIV
cIwiosWY/GgvMYpmOAxPKcah1YNnhk7pSQmWgr1BB4DH1Pb4tuRg0pArHZhw0hVT
+YZhZJIY/REjn1QcuenQ6KV2BNkVyuzlwMFhh2bzXlMxdFNugio+tPV7KGxSQSFF
FQIDAQAB
-----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 308064767145116592724905524950442602414871
 . . . . . . . . [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 2023-11-16 06:22:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-14 06:22:31 +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.aquaoasis.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 28576528222973372044617386933832392481795228981009167607539402728188589134982930382540899861053215715626530355316119657792969715617810404967588164906042414295778677384653212720438644650236952124430187461201811560281689859438009889421422899084029132109717599914058663722984072056053811545370116741494324343474610474423420237196328748701716935368484310817313076424622043326372235574105739102567425978770151862226585828515163546447473587506084916053212948643822644147667047526473738914733134173488497097823066408221739819480623362113823340680493059622333472552820056088727503341927091717302010953659709123769690333725973
 . . . . . . . . . . . . . . . . . . . . [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)
							579b9cb81d44e151c4185b04abfaf1bd3686d1e4
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aquaoasis.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.aquaoasis.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bd702955e00000403004730450221009e3b9fbfea5519e17b4c633208647e5f2dfc176bd02ba8b78e6f65b656026bdc022069018742c2713e08a403cba3b87c01b86e8e410a26f496c4acd46dce7dfb7846007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bd7029618000004030047304502206b589965b64a916886132d83a0eb0a98b18252e5a12fafa08d3b050c56cd61a402210081fae20158e357f9de102b789a9e820cf6a7456b9f89a5a664de5b59e0920c29
 . . . . [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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