www.famikar.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:c7:51:fc:da:f5:e0:ea:ad:ee:a0:ca:da:ff:1d:b0:c4:36 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): 04:c7:51:fc:da:f5:e0:ea:ad:ee:a0:ca:da:ff:1d:b0:c4:36
Serial Number (int): 416274315111820471542246742135322583286838
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 37:42:fe:3f:f2:e3:8a:14:38:5d:8b:f5:bb:9f:b0:fa:3a:1f:fb:87
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e6:df:33:cf:f4:46:43:6c:78:70:d6:39:74:71:2a:80:91:d2:eb:86
Fingerprint (sha256): ec:5f:ec:d1:aa:15:77:64:b5:8a:66:6e:e1:56:0a:5b:23:a9:44:08:0f:ae:54:57:14:0a:c5:63:ab:7b:d9:a8

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzEi4fwM/UlvdW09UDRuO
GUzyQwo6PWkVAPOvh/DovpLjTMbyGFk9Krdle6Roj3sdjMLI0k2H6fPwnidtk+vt
Yg0wKQw3V9fAGrL9VkVMIge9sKMLaCg0M9tDvn/AqGQek/6AK2JxzpzP9VJE0ryV
PHbJnopq2Wf6m+YkHekvGPB79KxKBWO3chQwG3tBBtOWmhmoPForrQd3Jy4GUuvd
VZIqqsMG8AicBJUEe+KBnvakVdOu0D8F4Q3sC0GN502pY/wAGVwIawzI5mLEKHfB
ZCcG0IPnHFi0xax/lDHRMYGVmRkmKnt9YxCppys1hfjaTpueNTqNX5FleAjQItQx
FwIDAQAB
-----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 416274315111820471542246742135322583286838
 . . . . . . . . [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 2023-10-03 11:07:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-01 11:07:19 +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 25788474120875297318607307709928868972592260331787067294483706270835805739066303234096074956027487080892676781619513953125566745021669866225658667976173396760736526104306555198863648458386139851882775295831733503053153922219063045012393873422942164788577685501589362390813192953310657660115693761632972691106873859568247603072832365689697438965449203088858022564334579573057524593733174311905906342752099128623182438936607550826557288062078050266487744494746610710322125907202229400314870997247712374399221051943843345396201494622428604165765145602844558285815186765839349478338878303312268144444441620116334177431831
 . . . . . . . . . . . . . . . . . . . . [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)
							3742fe3ff2e38a14385d8bf5bb9fb0fa3a1ffb87
 . . . . . . . . . . . . . . . . [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)
							00f1007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018af56f85690000040300473045022100aa9363094e739ec5e7c463b4956e0a6f85c86106b1d6fa5600df2f8d98e4bfbe022004620f7f22376d55216cf99ad418500d9ea105a1d225f2aeac980a45c540f8f900770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018af56f85920000040300483046022100deb41ea704ac9b5db0a1d284eba3e0595c75a5631a320ac2c21343e2ea76f4570221008798eb0e1095e386776ea6341a41b3b9819fd1506e8bd87b2dc1dc15da68c798
 . . . . [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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