www.rotier.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:fa:40:e8:c3:48:24:ec:30:0b:34:ba:64:3f:0f:95:e9:68 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.rotier.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fa:40:e8:c3:48:24:ec:30:0b:34:ba:64:3f:0f:95:e9:68
Serial Number (int): 346493728690902497908421080365966271310184
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c6:d6:6c:83:96:53:d3:64:c6:03:7b:2b:5d:ce:cd:b9:cf:d3:aa:73
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:7f:1a:4c:c6:24:37:31:dd:41:85:44:b7:02:62:89:d1:8a:b4:23
Fingerprint (sha256): f6:b7:f8:2b:e6:78:38:59:e6:6a:de:81:dc:fc:9a:ba:09:bb:c1:6b:4e:23:80:bb:86:ec:5c:b5:34:b3:55:24

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

Revocation information

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

Check the revocation status for certificate www.rotier.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.rotier.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

rotier.jp
www.rotier.jp

Other certificates including the domain name rotier.jp

(limited to 100 certificates)
school.rotier.jp
school.rotier.jp
www.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
www.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvL0Tl9AMc45ZEgWY04Yp
EBtoSl2oLhy8RohHKjyryKZAVJKeqDeh1TTpH+ag+Q9CsuWrVBwsQy2KL7Y1p/CJ
19mFJ1Gi/jt5/U19Julu77VFm//tGypjWr6303OP54SX3iTmrUjiNZ+/ycIWCQMj
CD1723lObzz2rV2+jU00GE9RhMLRcDrrx1Yg5fDOG+QYaLOanniP3JCS3p29XCIV
JGTrWwQ9uGd6wMd+MaG0kjsBtkDhis5dFDq6eHTcZoAI0WnhnjCUNrRMQyT/7j4+
EPFAmdGgGjJE4SNfLBQ5PTLbf/Fe27aQpqWywOFAQxN05DfBOdRemaJeQ27MnVOv
QQIDAQAB
-----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 346493728690902497908421080365966271310184
 . . . . . . . . [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 2023-05-08 01:32:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-06 01:32:25 +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.rotier.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 23826038448134702477291453669732125329592342210081130864070560872922679764682708422968982284608084703493397126291954852868226393563841293545365588430025313231093971532300300799057416728183854352209262960225764469407955037261641273374756024353824764830650645287156297104408629821394415361656388919670826199953769842171397372980237844513908724509576158746503566003608716977834617951583036984073009889213553701256205364541919823185029219446157660943447819832307603989366593930711915017595139292980943701651416478828613377313338202757214996918119317762400565940039839019300943483546608667262145091749231997877175597641537
 . . . . . . . . . . . . . . . . . . . . [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)
							c6d66c839653d364c6037b2b5dcecdb9cfd3aa73
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rotier.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rotier.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187f933fd96000004030047304502201f62285b47da7514136c04a7471206a083e9e8d2a9a1a51e2f0ddb1740f339030221008560130a1b3b0a82c64696e2a58d3f00503a8ffc6b55e51d3738db0b7bd7af38007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000187f933fd9b0000040300483046022100922473f338c9bd3a362c2d9cd0f166d1b52aced11ea093aedddfc64db8473107022100e4dc22c4e1f334002094a7cb2ba7c3a65904ad7d78fedabd84c67c9b95ec5d8a
 . . . . [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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