www.daiki.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:9f:77:e6:26:25:f0:72:cc:02:ee:43:c8:a7:5d:e0:29:84 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.daiki.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9f:77:e6:26:25:f0:72:cc:02:ee:43:c8:a7:5d:e0:29:84
Serial Number (int): 315601127269223245764887016409135421860228
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:01:fc:82:88:94:08:be:95:16:77:04:c1:83:6d:ba:3c:30:37:49
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c9:61:25:e3:2d:97:3a:c4:1f:f0:22:68:17:4f:10:08:85:06:40:3a
Fingerprint (sha256): c4:b7:23:2c:8d:07:19:96:07:c3:ad:f0:73:51:a0:d5:72:1d:6b:6d:ad:6e:4e:31:cc:1f:3a:7e:e0:b0:6a:3e

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

Revocation information

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

Check the revocation status for certificate www.daiki.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.daiki.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

daiki.jp
www.daiki.jp

Other certificates including the domain name daiki.jp

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

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE8DCCA9igAwIBAgISA5935iYl8HLMAu5DyKdd4CmEMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA4MTQyMzA4NDNaFw0yMzExMTIyMzA4NDJaMBcxFTATBgNVBAMT
DHd3dy5kYWlraS5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALGj
uaLDh4GOo1+uZwv5jrDbw87oxUNC4G1rBxgfXq0kAW9xv1N3h4Y5Mm0HWhrWQxZe
kHfBV7afBmGL+dvyhw98unpy12mYD8+7gwiNxveDqn+6PkluFulks6rMvK8IZUVm
WcbTmXwttSaLuXN4lEclio4lhUeTyYR9owlIGPHDkoYLPEIWeHKsr5WQGQVb9v7h
FlpH/eR3CFVxD8FZUHZ6Wa98IfkbQqMzeHJvK+Fo6nOaze20rIxGg55vGmQiBxUM
4QgyE4Y35RyaNAuEHY6+aaibkL/d0PhCdCmsmh+GXY9F1lzxiXWqzxQUp22pDCDh
d7sfwxOPMk1TcQyZV5cCAwEAAaOCAhkwggIVMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQU3wH8goiUCL6VFncEwYNtujwwN0kwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA
5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu
by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w
IQYDVR0RBBowGIIIZGFpa2kuanCCDHd3dy5kYWlraS5qcDATBgNVHSAEDDAKMAgG
BmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AHoyjFTYty22IOo44FIe
6YQWcDIThU070ivBOlejUutSAAABifaF/uwAAAQDAEcwRQIgVzokqychoNpu2gUZ
0qIjr6N0SjhERbTu1dEKdq9O6E4CIQDcYOpA2fLdg64Qsp8ktPm70+mulIQeMaKB
qDWGDp5B8wB3AOg+0No+9QY1MudXKLyJa8kD08vREWvs62nhd31tBr1uAAABifaF
/tIAAAQDAEgwRgIhANwQYtRRih5KIxyWMbj3J+jChQwbyQ2C2R81nHI/+ua1AiEA
jr9ndqrxdhzySit6owSBZNUM9M8+fiCdO4RRgfGKOVkwDQYJKoZIhvcNAQELBQAD
ggEBAIxjn0UtHmH2dFz5aCJT6WVm8EwxhzxKH42Dg4QU+gS21kTObRizGtXjcbaL
B8cTWGyzcljsJwrJ8Zbu+KnVlHk37VcQV09MH/CFNa9E4MmLw5C7G3ZFu6zc2pEs
deySdxpWMfDJz1cgnP88qGIDGF35+Tg90ctXLp3QKqASYY0u3PTFd4w5Xp45IqrS
wxoaGCEaN/J7sSNsbZzgK+2DtVrGlkiHlrvorrSwXXx4mxYQROVmf2JNOnhFDb2l
U/yH2CrPB2MhxXeLA4mUcs3O1qYm531M7tXMkH0PfVN4/GGafjbS5VWpo9Y7hZPZ
ccwTU7IuEJggBXotwSE97aI/GKg=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsaO5osOHgY6jX65nC/mO
sNvDzujFQ0LgbWsHGB9erSQBb3G/U3eHhjkybQdaGtZDFl6Qd8FXtp8GYYv52/KH
D3y6enLXaZgPz7uDCI3G94Oqf7o+SW4W6WSzqsy8rwhlRWZZxtOZfC21Jou5c3iU
RyWKjiWFR5PJhH2jCUgY8cOShgs8QhZ4cqyvlZAZBVv2/uEWWkf95HcIVXEPwVlQ
dnpZr3wh+RtCozN4cm8r4Wjqc5rN7bSsjEaDnm8aZCIHFQzhCDIThjflHJo0C4Qd
jr5pqJuQv93Q+EJ0KayaH4Zdj0XWXPGJdarPFBSnbakMIOF3ux/DE48yTVNxDJlX
lwIDAQAB
-----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 315601127269223245764887016409135421860228
 . . . . . . . . [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 2023-08-14 23:08:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-12 23:08:42 +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.daiki.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 22424915854508991314437160055392452396691962141755664273303938874162614504129801698027933682198619466470857132829845269726124834363346212953354203041694947944056382079854360101135605836850426717495121239679326265072954339843641791274868120036415003084105880674294523459109791259372273015884176301521103910953819612384795763676525581474771934833578647287064122281490203370791876353083666516395780476282626366149229826641697960542348828901989841145498046921914036181922804265871218749135597565150406600267093520297746926185897666405852074941931242253071748260859897664592237738895520718563642397419270415834902022412183
 . . . . . . . . . . . . . . . . . . . . [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)
							df01fc82889408be95167704c1836dba3c303749
 . . . . . . . . . . . . . . . . [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 'daiki.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.daiki.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)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189f685feec00000403004730450220573a24ab2721a0da6eda0519d2a223afa3744a384445b4eed5d10a76af4ee84e022100dc60ea40d9f2dd83ae10b29f24b4f9bbd3e9ae94841e31a281a835860e9e41f3007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189f685fed20000040300483046022100dc1062d4518a1e4a231c9631b8f727e8c2850c1bc90d82d91f359c723ffae6b50221008ebf6776aaf1761cf24a2b7aa3048164d50cf4cf3e7e209d3b845181f18a3959
 . . . . [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)
		008c639f452d1e61f6745cf9682253e96566f04c31873c4a1f8d83838414fa04b6d644ce6d18b31ad5e371b68b07c713586cb37258ec270ac9f196eef8a9d5947937ed5710574f4c1ff08535af44e0c98bc390bb1b7645bbacdcda912c75ec92771a5631f0c9cf57209cff3ca86203185df9f9383dd1cb572e9dd02aa012618d2edcf4c5778c395e9e3922aad2c31a1a18211a37f27bb1236c6d9ce02bed83b55ac696488796bbe8aeb4b05d7c789b161044e5667f624d3a78450dbda553fc87d82acf076321c5778b03899472cdced6a626e77d4ceed5cc907d0f7d5378fc619a7e36d2e555a9a3d63b8593d971cc1353b22e109820057a2dc1213deda23f18a8