www.xbit.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:cb:30:15:b8:22:fd:94:5a:93:4f:65:32:d6:cc:e5:0f 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.xbit.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:cb:30:15:b8:22:fd:94:5a:93:4f:65:32:d6:cc:e5:0f
Serial Number (int): 304822801348152885022102982447572582196495
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3a:b1:23:18:ce:aa:82:54:d2:62:04:b4:43:2f:be:32:6e:ae:80:0c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6e:23:e0:5c:2b:fd:7d:c5:26:3f:bd:23:5f:86:17:5d:d8:ff:ac:24
Fingerprint (sha256): 19:4d:52:b7:f3:8d:46:f4:55:87:31:95:0b:54:79:7d:49:85:79:43:1f:18:7e:2d:c3:b4:5d:e7:a6:b7:e1:ee

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 www.xbit.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.xbit.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

www.xbit.jp
xbit.jp

Other certificates including the domain name xbit.jp

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFVzCCBD+gAwIBAgISA3/LMBW4Iv2UWpNPZTLWzOUPMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMTIwMjAwMjRaFw0x
OTA2MTAwMjAwMjRaMBYxFDASBgNVBAMTC3d3dy54Yml0LmpwMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxGKiCtKriBOIyfk+BH9jlLs3vfEy6TQ1kIuO
J1FTu4Pbh1+YJ2VRonXbPxi6Tv5y/CjuypDZ8ZxT5TCcv9P/DTbQXAvG1QZ0Psdu
kWZFRm68JziFWaFrsHvdk8WIh/JrLJ3QZwxo31gnWQv7XKkvVpFRyHVnoqL7TfJm
MIXtoD/W7y27dTeEApwzVwdn60aK5rS+4S5PxIe2bAbGYR2w8Ch+m6KB/9hkrKkg
sTDui5wXtFKYt6nmvaVZDvBMPT3NpWz2C7ieOjIrUvM53VmmNjuL1pTBZFJUsFVp
3ZtCgg7RYliKP/M5f/qLje/q5wHnJdjEmRmDCjirs/g04VkrBwIDAQABo4ICaTCC
AmUwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ6sSMYzqqCVNJiBLRDL74ybq6ADDAf
BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw
LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw
LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv
MB8GA1UdEQQYMBaCC3d3dy54Yml0Lmpwggd4Yml0LmpwMEwGA1UdIARFMEMwCAYG
Z4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMu
bGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA4mlLribo
6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFpb9gOIgAABAMARzBFAiB0AhX/
4Qnp0nZSh0VEYnzy+hHuiP8t2UfHwHxRTTi4xQIhAMvZzu8jRhjaqQGn/22eVYkd
+rzCvx6Av2HvfeFZSq3HAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH
9HgAAAFpb9gQLAAABAMARzBFAiEAsyaHML+6ul5D0A7z0KzBr6tPbisB66fb1WED
h6TVKvgCIEgHCXQIl++rgDSyBFiffw8yi8wD/TlMOBOu3o8kcRKFMA0GCSqGSIb3
DQEBCwUAA4IBAQB9KvJt/Dpsj1h9hV2JgPuWPcdTv0lbOatbbdCLqD8jEbRkfUHh
a3mp04oXQqXKyvvlf89B+h8MjmhCb5PeXyuM1Z5LDymTnSaL/YdFGQ/qeIuLkP85
hsk7UV/ckXG9tz0ezqGGYD/YoXMhBDgGg68haMhg04Z5KsK1Icj5BkHb5q41zfwL
6vBcqRYdKo8V8KrB1ObQ6znr7Tdf7YfJ08fdYe57SqSUuwXfJj/b/PhBrnCG3X8u
EjM1mgJFr/JLo4HDM/Bw7KsOAFDeqOeM9VpToAllohU7YMev634AJ3qv87DCbSYm
aRHMDXQ4JqX9AbWoGDiqSimHFan4JCaCRfNJ
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxGKiCtKriBOIyfk+BH9j
lLs3vfEy6TQ1kIuOJ1FTu4Pbh1+YJ2VRonXbPxi6Tv5y/CjuypDZ8ZxT5TCcv9P/
DTbQXAvG1QZ0PsdukWZFRm68JziFWaFrsHvdk8WIh/JrLJ3QZwxo31gnWQv7XKkv
VpFRyHVnoqL7TfJmMIXtoD/W7y27dTeEApwzVwdn60aK5rS+4S5PxIe2bAbGYR2w
8Ch+m6KB/9hkrKkgsTDui5wXtFKYt6nmvaVZDvBMPT3NpWz2C7ieOjIrUvM53Vmm
NjuL1pTBZFJUsFVp3ZtCgg7RYliKP/M5f/qLje/q5wHnJdjEmRmDCjirs/g04Vkr
BwIDAQAB
-----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 304822801348152885022102982447572582196495
 . . . . . . . . [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 2019-03-12 02:00:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-10 02:00:24 +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.xbit.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 24791345507377314918617380245783744621938679361176927075355547691854205537783105859211847225343346360132407409609618380064852927958115854620998946476174198958416671890083052960566730106714043607272076279771799056541871125885191053391680265552930867878974564846640695584002502648695888897885330765812627887633949317062477137771700443320773303023939668114444452627172412691903207607096140545291872092964505612841156569228868824950680597205752832670119576310986001864475283531788775335396413123217883646285817531271196814933629412837616223780462681486826401731163562806418660997784000606471342344717314913637344602565383
 . . . . . . . . . . . . . . . . . . . . [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)
							3ab12318ceaa8254d26204b4432fbe326eae800c
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.xbit.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'xbit.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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001696fd80e2200000403004730450220740215ffe109e9d27652874544627cf2fa11ee88ff2dd947c7c07c514d38b8c5022100cbd9ceef234618daa901a7ff6d9e55891dfabcc2bf1e80bf61ef7de1594aadc7007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001696fd8102c0000040300473045022100b3268730bfbaba5e43d00ef3d0acc1afab4f6e2b01eba7dbd5610387a4d52af80220480709740897efab8034b204589f7f0f328bcc03fd394c3813aede8f24711285
 . . . . [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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