www.famikar.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:11:bd:6f:c3:13:0c:07:fc:d4:f0:58:31:25:c2:6d:51:3d 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.famikar.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:11:bd:6f:c3:13:0c:07:fc:d4:f0:58:31:25:c2:6d:51:3d
Serial Number (int): 267373462425670271561004383853826148225341
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b3:5a:bf:95:52:ce:b6:1e:a7:65:c7:0d:c7:bb:50:65:53:4d:74:80
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 31:d9:18:ef:ba:ff:21:e6:3e:a1:b9:9e:47:da:16:c7:77:ac:6c:cb
Fingerprint (sha256): 5e:ac:71:b8:c3:78:75:0d:40:52:65:c1:0f:d1:12:93:16:f2:6a:a1:25:1b:c7:c9:53:0f:63:9f:90:c4:d3:e6

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

Revocation information

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

Check the revocation status for certificate www.famikar.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.famikar.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

famikar.jp
www.famikar.jp

Other certificates including the domain name famikar.jp

(limited to 100 certificates)
samparks.dev
web.rcm.demos.felixai.xyz
www.safiraon.com.br
test.famikar.jp
zeekse.xyz
www.famikar.jp
test.famikar.jp
codes.cheart.io
datavideo.felixxgroep.nl
alexbeschler.com
dev.club.scorelit.com
app.famikar.jp
www.famikar.jp
www.famikar.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsMkB7rGqvSvmGv5M3yh9
RAkva4xujcA7BcB5QWa62GHlboAtLn2m9zXLCgo9UOSdwk9YjRqNudnWJGqfCGkn
5ONcdOHNBRCXIgk4WiBo78YVriUpdvDJSvPwC/Jxm0KGXEQu9BPh8AGQCzSzptht
WiqyKl0M1PrPU0OxS057sJ+ckIvytHQ1a9GkNQv9fJQPchR00X4u9FojkPyJQTw8
e9poZQ4cEedsLGRSDGK036yy5nl7C4ratJp/L2Iphhcaka+zoZoRHnRALaHhjMWa
dkVwB9MSf2p1fynDdccjoiZrqVDRw3dPlki/8r6vaDQsHfzxPiPov2vWqbL/Scyq
zQIDAQAB
-----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 267373462425670271561004383853826148225341
 . . . . . . . . [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 2024-01-30 21:21:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 21:21:40 +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.famikar.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 22317062190430163681252628077127126156605285181778248353370133168576748295129139964582088289167599896670709727965746734729872468690395751051658583653782604660923347026908681406958887067804751765797841639102961161571146648440894624509177335986087530654673946263500354137831614760571457574468899348866592796456773597341090777505597924087106043846726646669754196777655925475375285171145292858159120365389130289398570177985135168086275044992551060519261004781288030494533069262681248513734727338823189851872877778190430486952139607451598895344137804640903730087414687377409684710806593624329333785224769717007827333851853
 . . . . . . . . . . . . . . . . . . . . [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)
							b35abf9552ceb61ea765c70dc7bb5065534d7480
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'famikar.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.famikar.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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d5c76bce10000040300483046022100ea4d7b283754620a060d61c24fa8d46683efcfa1db19cebd44816d4090418b43022100bc791dd30617ef9a41b81b3f034402affe01d0d4549a3f6d4691491d8574b74e007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d5c76bcdb0000040300473045022100af650347cbd7060d9a443f1849e84088e12e28d705f2b0ee9f61e1bbb7379f6302202794a734bd31d063e40b139502768ecf9c7cc3ece89b3679d32388d6e33d8fab
 . . . . [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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