nankakaku.com

Issued by R3

About this certificate

This digital certificate with serial number 03:25:d1:1c:fc:0d:c0:3b:34:00:4f:32:72:13:55:d6:66:8e 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:
  • 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=nankakaku.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:25:d1:1c:fc:0d:c0:3b:34:00:4f:32:72:13:55:d6:66:8e
Serial Number (int): 274205264519043228407611256110135834470030
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2f:54:2e:c1:ac:b7:62:6f:db:35:3b:4b:4f:96:84:d0:f8:71:22:d4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 72:21:03:83:4f:0c:3e:5c:0f:a7:30:1d:ca:9b:36:b8:be:1a:67:3e
Fingerprint (sha256): 9e:c8:db:4a:1a:43:e5:ab:71:9b:d7:cc:2a:aa:db:db:f4:98:b5:8e:75:69:b7:a9:92:f1:ae:08:8b:ea:a5:17

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

Revocation information

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

Check the revocation status for certificate nankakaku.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nankakaku.com

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

nankakaku.com

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Certificate

The complete raw certificate details for nankakaku.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyMDqjKRUFL4iTwMMUftx
2ZDew5XoGtmrkotZcTVKaWqNdX74Ok1LZWdmbj45dcOoEQcgcv1i4P97mkGDTGwV
8JNhI9zO46xClESCdhn5dtUeJJzXvtFhS0dhsGoN/2JxbVSfSQFW6GaKJcjo9042
RdH0f6z1pJ26L1vgGOwJBydg3WWtl3TUFUddiKkLz57s4P1Iup5GY9moTJCcSZm9
jtcTWivoVG+W92DAfFoKuS4QJEx2caAf+FR8s00KrMMLB09U7PiyBWh+EZsrIXeM
ik+kWLdHqZqvQh2PSeTR8T5DF6xvINwFBk2oPGOZkze9eK1O+RGEMMvjRPaNW3nr
swIDAQAB
-----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 274205264519043228407611256110135834470030
 . . . . . . . . [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 2024-02-04 02:25:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-04 02:25:26 +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 'nankakaku.com'
 . . . . . . . . [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 25342791521198837173571583123316472107895646009996364874968458654148860374624057718188912170238919969725334436068274774231456686003594079846652565301933502577516548284122009334082684511317544934459046030076915766759938354552197510154785960985581104486070736173322539087557622623563832412794814327349848376230109849360776560689998052110967578271567523235434427571181326646332911023237912455408257985570922761731938273996785334352475782926549482803389757758230642499486114948591944707369895411697340346342791889204511299512902357201700391316044943081903473401959919119140922981943795960684610697052158886861456140790707
 . . . . . . . . . . . . . . . . . . . . [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)
							2f542ec1acb7626fdb353b4b4f9684d0f87122d4
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nankakaku.com'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d7226486b0000040300473045022060f6ea21421fc18d83a82b9827673063c6a4b252ffc974d4c926fa567cec4505022100d7e8521e207d71e06582b838f7ded4495d72aba4dc12f5968d9554710438afa8007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d72264a9a000004030047304502205c49e26da79bcc80bf99a999d0c172d37e628d78fc24d10f106168c7779cffcb022100a2547c6315b63fa14c2437ceb83cb5de81248d60f0ebd19f14b15d63d4f6e990
 . . . . [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)
		00981449c15a52974269189e6cb080221b3010affbb02258955f8c262a8f438e666184736f039436b74a04dfad0f7c40b0c18645bd1ee7a12f32a081b87aa166b5d29a4f1926bedc80920c53718cedd998d1f6e3f3c0528ecb7768c4079aa4d380a51e88ceadaf6c572c1f28019300f04b2977e7110dd95c198b060aee7026a4ce2b9338b6b484ec19c38ef450b66f18db40535b3033520239ae3eaff19eb58db57c1afe2990bf0be9d582c78c3e5aca8702b6cf0d00a806ae9dfd4240d00f8d487152325bb97ab06e73f4144d695a69e2c278c124a25b585ecdefa27e329ed1c12c5c97aa714aaae5aca693df91d9798723c75024021ca0efcfc4f586060008ba