flammable.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:77:d4:4a:86:81:f6:8d:30:b0:5a:7c:0c:0a:a3:c6:e0:f5 was issued on by Let's Encrypt.

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=flammable.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:77:d4:4a:86:81:f6:8d:30:b0:5a:7c:0c:0a:a3:c6:e0:f5
Serial Number (int): 302112642752085974688860686287921184432373
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6f:64:87:c7:a1:81:a8:72:2a:aa:08:2b:1a:11:be:d9:ee:5a:73:f9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 19:3f:5e:30:72:2d:d8:27:eb:68:e5:b8:33:9b:41:31:36:d2:0c:6d
Fingerprint (sha256): 6a:d6:a4:69:68:65:e0:f2:5b:ff:c8:1e:d5:19:e0:89:94:b4:62:2e:3b:fa:45:c9:9d:de:90:a0:42:ec:f9:2a

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate flammable.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flammable.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

flammable.jp

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Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFUDCCBDigAwIBAgISA3fUSoaB9o0wsFp8DAqjxuD1MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MjEyMDU3NTBaFw0x
OTEyMjAyMDU3NTBaMBcxFTATBgNVBAMTDGZsYW1tYWJsZS5qcDCCASIwDQYJKoZI
hvcNAQEBBQADggEPADCCAQoCggEBAKjGesFn8eS79AISJojtk1JJy7GO2A+6v6ek
+Hk08czofAmMIAcaT72SOAN+Qif+ziAnR8O+7p/6RsOcU58lK1XLVh9U20zgoiBZ
M5pKxDq5ShBLwltSOZvfiOAOsbR6dUzqndOb2oCUWSnip4jldhWQ46YhP20odBTY
TQY9Jxq+NGN7fFpyVcco8LRPJyf9cQIaxjb4K+iliCa5+TF03S2PDJ8lia7lQ25I
mMSZRC8OSqWh9WVQoijgTDb69Gj6P4OhIFW49faLCZ2DmaDBRE3P9C/R89sX3GpL
V2vwmbQN9tEzD7av+lUcABW9/NU3xXRRzw7Pl/v4YwoUJIzmxbUCAwEAAaOCAmEw
ggJdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH
AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUb2SHx6GBqHIqqggrGhG+2e5ac/kw
HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh
MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn
MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn
LzAXBgNVHREEEDAOggxmbGFtbWFibGUuanAwTAYDVR0gBEUwQzAIBgZngQwBAgEw
NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j
cnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwDiaUuuJujpQAnohhu2
O4PUPuf+dIj7pI8okwGd3fHb/gAAAW1V1MPwAAAEAwBIMEYCIQChS/+k8/xQW0Gp
dzc2KeE0EqGVrneiTksOld+Z41sRtwIhAKFtrdu74QXttWIW69vjV8pmWXHbykyW
oaGfKxZ9DLp/AHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFt
VdTEHwAABAMARjBEAiAEvc8eyQP18/+ypATBF/taStEicFeN7xSSJdbPocEksQIg
QcjAruYjNQ9ugYBJPDfAJ1ufPbcP0sQTwnQDljRf0P8wDQYJKoZIhvcNAQELBQAD
ggEBAE3lr0doQ+BS9xC8g5VSGzVVBiqkfvsIjfKXJVRRTAvkt9aOJuh9H8TMMvsy
bDdvRRFrFERqTgxHYnYQECFJj1N2+KtG8R3bTvSOpwo9bMQn4ahPg5jk+L4eX5Az
zDvSsVPa5OSmo76GTqRZuR4myBgBDZW282Hld8oROcBYM2Wk9TEJDpa7qpiA1Ll+
0oIYYFvQKdh2KMe0autfhm6qgZCyhlSyrOWesFyF0mSnLrrv8RV1Q9tg+fBTX2ZC
XwuXzHrHSbd3qjAukfieo/A2goAveIY5hFOENuvnhYHrjL1bop++aL/asryO4wK2
bEceg4LaaFYkZ+fIjSoubXtx/JU=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqMZ6wWfx5Lv0AhImiO2T
UknLsY7YD7q/p6T4eTTxzOh8CYwgBxpPvZI4A35CJ/7OICdHw77un/pGw5xTnyUr
VctWH1TbTOCiIFkzmkrEOrlKEEvCW1I5m9+I4A6xtHp1TOqd05vagJRZKeKniOV2
FZDjpiE/bSh0FNhNBj0nGr40Y3t8WnJVxyjwtE8nJ/1xAhrGNvgr6KWIJrn5MXTd
LY8MnyWJruVDbkiYxJlELw5KpaH1ZVCiKOBMNvr0aPo/g6EgVbj19osJnYOZoMFE
Tc/0L9Hz2xfcaktXa/CZtA320TMPtq/6VRwAFb381TfFdFHPDs+X+/hjChQkjObF
tQIDAQAB
-----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 302112642752085974688860686287921184432373
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-21 20:57:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-20 20:57:50 +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 'flammable.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 21305909130284722021940485985905176341111340748686527003350850688166832006031268061242764608147369433495103489277293560718810553490968684380503291655625550380964160922393840333274558461939216046596153012226034653984882349898208706475251042563919504689750488115817319778075449944630388472532577221711250723934290929570610664290534292435461873086592499259346982811580641203588559304200517561175061221913408327120173896926417023936023958481216781136039503304564325777868926596470572923449041855337634582824461681639851604894310566778178190235260004169038062499874667865529852255798331293991565153329441008844459001431477
 . . . . . . . . . . . . . . . . . . . . [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)
							6f6487c7a181a8722aaa082b1a11bed9ee5a73f9
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flammable.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d55d4c3f00000040300483046022100a14bffa4f3fc505b41a977373629e13412a195ae77a24e4b0e95df99e35b11b7022100a16daddbbbe105edb56216ebdbe357ca665971dbca4c96a1a19f2b167d0cba7f007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d55d4c41f0000040300463044022004bdcf1ec903f5f3ffb2a404c117fb5a4ad12270578def149225d6cfa1c124b1022041c8c0aee623350f6e8180493c37c0275b9f3db70fd2c413c2740396345fd0ff
 . . . . [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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