www.l-life.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:8d:3b:df:c3:03:14:79:22:82:07:c0:24:63:0e:cb:e3:f7 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): 04:8d:3b:df:c3:03:14:79:22:82:07:c0:24:63:0e:cb:e3:f7
Serial Number (int): 396508543752157966580692126162759031972855
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 20:dc:0b:bd:f8:5b:7e:ba:58:ee:6c:4c:4f:b2:79:b9:fe:54:80:f1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 82:14:47:5a:5e:f7:ae:9c:0f:e2:dc:93:fd:aa:56:77:f3:8f:15:e7
Fingerprint (sha256): 9e:cf:88:10:b7:65:f5:1d:7b:70:b4:22:a4:59:68:f7:4c:3d:22:17:63:a9:82:54:9d:0e:e9:88:6e:c4:2d:97

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzjypdop1dC04Wcmd6IUN
v4qDDDLJotaSJrG77gIhTs4hcEy1Vi39uvOK+q1lEO5YBeUBOq4l4BIvDOmo/BEk
SXmIw4dJEfJHhYt4wiVt/GxyukU9j9pfFuam4pJ0DZ8j5xGYbZYmHF0/oI1zMNZG
H5A3z8fnRjyD73KvwMzY7kyihiNUt26uOLmc2BEgexT6e1J0EJdfk4y+C6VCYaNu
OezTqFRrl3m3ZDT3hoNisvff4sj9eAPSCT4JBsgYdgDIQ2tAl7fMl2JeusU+/9TZ
hTdz6nflR38yUUPSAA2upFjjeB+ocXHzA94geaacUa4X55qdlkD4cySmnayCe7Af
YwIDAQAB
-----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 396508543752157966580692126162759031972855
 . . . . . . . . [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 2023-12-17 07:09:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-16 07:09:23 +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 '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 26035004352861775130276146488200365560597659588771974117027482833120577207992223262624047371272304661460680829674449426672677574262217655401532379934861958505763310078335664851378209491493554370771116638987446328452857318392407368335290990564082899933544989126005755738319245830795608310772240461292338012318651138726741730631487143748836811274812847929386732839385662026773757017206177858789511109103310003301983752425561362144133006107901400941426996565565516194379628391940432357828855196384497620428617526675886257445285763997786988692352248161327167218193317739749681133941454100758678657983659720127024422985571
 . . . . . . . . . . . . . . . . . . . . [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)
							20dc0bbdf85b7eba58ee6c4c4fb279b9fe5480f1
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c76d2a2320000040300473045022100ddb621039e08682c39a3852532cc855f6e83d13b7da1c1c04dfec6e4deb5f84d02207b99fa56d808444c0ecfff26b52ae955932baf6a7a3ede82594696e5f4f2cba500760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c76d2a23c000004030047304502203e39f416f490acefdeec0e95e48648692619829cfe36b45c53b676fa08be9556022100c6c97ad9952ac038091cb1cac7a54eb7a355eac4e52c9f3ecf2d736640b58cc7
 . . . . [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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