projects.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:5e:98:7b:e4:54:5a:a8:fa:1c:c1:3c:46:8b:72:be:a7:78 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=projects.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5e:98:7b:e4:54:5a:a8:fa:1c:c1:3c:46:8b:72:be:a7:78
Serial Number (int): 293526086224794475717231330495300703790968
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bd:d7:ad:ac:90:3b:47:e3:b8:91:32:b4:d0:82:00:68:6c:c8:d7:ad
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:85:80:e4:5f:22:77:32:3d:a8:ff:9f:85:fc:b2:1f:ab:b7:85:d3
Fingerprint (sha256): 21:72:81:1e:2f:a1:30:2f:97:87:0d:b6:e8:3d:65:df:7f:8b:d6:d5:8f:60:66:20:13:83:62:1e:18:58:87:13

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

Revocation information

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

Check the revocation status for certificate projects.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for projects.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

projects.jp
www.projects.jp

Other certificates including the domain name projects.jp

(limited to 100 certificates)
www.projectresources.jp
www.projectresources.jp
projects.jp
www.projectresources.jp
projects.jp
www.projectresources.jp
www.projects.jp
www.projectresources.jp
www.projects.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAooViR26/6ojxkLHRVdXc
3bmrpN3vDrE/BPGYK5rJorRXu8xIt2fBjy/SGxzaNAVUTcF9HP7iC+77i/0Ahoa3
akdDfyT2OCP4GFGJADMih1z3XUMkdopGUjc8N5bAU2sKL4r6MVkwub8kHyLUSVhW
A3wkF22y5nya3oRQxadNsTNQI25cvl26JO6zNqqcAucg8PFO6U4oK1cgT/8CJPAY
OcPaEWlszpmtaBijAtcu7JJuUbtwZsdbMCmHSLEAQKzqAV12M+M+d0uE1NZMQqds
WjEqngY4G4y/i7iaNPF7Sn0EuYka1vWTFo+hEkCQjiGoqdoXCwLKzvWEGqhBvWzu
HwIDAQAB
-----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 293526086224794475717231330495300703790968
 . . . . . . . . [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 2024-01-15 02:59:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-14 02:58:59 +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 'projects.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 20516379458244581308698702649854606972100390368727820082545332221331200467495679327498328169741871002127321157191427483284371842538915954369410094301993062180409102832735233169756479183237809364746718717187979825544294149323437141235119113927319936983872867568217639270205516491146098710480548966605744305169920176402264960914397228266038806464923884812917831380002442303157381839763358954395776035390396069423771282928491113112051041092896989411711489975721593907958116692935869823891495723034534960660607799596731054886733800846908627637209461264793952083255419574816309489671892517613215606825011010933371366600223
 . . . . . . . . . . . . . . . . . . . . [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)
							bdd7adac903b47e3b89132b4d08200686cc8d7ad
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'projects.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.projects.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)
							00f0007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d0b45cd990000040300483046022100c4efa9fa73eaeb5eddf3a063cc5082266a7c3cded016771776201d7a7ac09cbf022100a73de22f246e216feb7917c7450a1f3c3cdf3e8e80b499dbd2590eee056e51330075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0b45cf9700000403004630440220194f69c124fbc3f2dcc8de40237e68eb5be4b01d10e9fc5458edf4cd25dc0fa0022009c617503341e31abd437d7dde2065b1e20ea72040f6e5cf598663d2f84660f9
 . . . . [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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