www.l-life.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:ac:f4:4a:e5:59:0d:0d:68:31:67:b5:7a:a3:86:e6:b7:f9 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.l-life.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ac:f4:4a:e5:59:0d:0d:68:31:67:b5:7a:a3:86:e6:b7:f9
Serial Number (int): 320190145418348351919008034463171857528825
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:04:e5:8d:85:d1:ae:28:62:fc:ee:97:e6:62:25:63:75:1a:33:9f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2f:bc:5a:50:1d:d3:08:65:56:14:9e:17:12:fd:ac:dc:c1:e0:a2:f0
Fingerprint (sha256): e3:eb:67:af:cd:2f:1e:7a:34:b3:91:07:25:0d:7b:88:64:54:72:75:64:e5:b9:7c:6b:c0:8b:4a:d3:3f:e0:b5

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

Revocation information

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

Check the revocation status for certificate www.l-life.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.l-life.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

l-life.jp
www.l-life.jp

Other certificates including the domain name l-life.jp

(limited to 100 certificates)
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp
www.l-life.jp

Certificate

The complete raw certificate details for www.l-life.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoiXkDnmdkMqDg8Oa6777
8sNjmHJZMKSdAaixlDQKaUH2h5jdoB8ZgRgLkzQPPFOm3l0fZMfWW80RtkxMVUjT
lYodxDW/1iAJZpkHq+50nHLhiE2B+THQXI3qI6iQx7M/QPPSfK4uyfA5stGfdQPh
lZRQS6w6OLcoua5ptWW7R0kyvf7iaMQOp4MMZA00aXGAXKAc3DdKX/6SMRk4h/7Q
e2k9N44Dgpsx+HKh1r21tPG4uekCe1VGT+N4kGxK8ZRleM2Pe63kgWKuiEkdRX84
25xqdmzMtx3F4NEfI4NfX2NhNcOKdF4kyaWHY+Q/VaO5Qm/vPwQ0Q9qJuStwn2td
dwIDAQAB
-----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 320190145418348351919008034463171857528825
 . . . . . . . . [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 2023-10-18 03:17:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-16 03:17:17 +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.l-life.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 20469290076988208538879316949949663424204000954647335452703341826492371267877129459995435061741447140695823413843845264506673890426157763879020320462905850583573278125624686217749865404817353144309560684113449045407563309477087924086329228256492668103778010635070803045394022313350174494555579576158733231561098946510625600347741882430252133925756212180360053110258951906639158073125474839728573846719689989421452354393071210211527041971836944848216429317884754247920781500500270160503651851509447998915176452811459686849316535862115111533300837909958765996677114788351255710391425504288706365889055370937458408250743
 . . . . . . . . . . . . . . . . . . . . [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)
							9a04e58d85d1ae2862fcee97e6622563751a339f
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'l-life.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.l-life.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b4100943d0000040300483046022100a701f387be3c805f6096296f93d3893b9c38f2ffccd03b4ceeca940284b4f0d3022100b02f579f8cf855b4435e3cd52720eeec446ff520d4091cfc6a14883fb1829a8a0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b410094370000040300473045022100cd84961998c803c5e0fcdfbd3c5347d51275a39b93ee7fb306a08d7f954c86f102206c3a0ee1e9c29e2b2d6e5ba4d55cf3ab23d1d3507d1cfb428f7d5c5fcc103e59
 . . . . [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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