school.rotier.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:63:47:50:fd:c8:de:93:92:9c:e7:48:40:a0:d4:95:a8:e3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=school.rotier.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:63:47:50:fd:c8:de:93:92:9c:e7:48:40:a0:d4:95:a8:e3
Serial Number (int): 295119607839267205939293408333385711331555
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 04:4d:0c:f8:87:9f:78:64:9a:cd:38:11:d2:f5:88:53:7f:8b:ae:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9a:15:75:08:ce:fa:90:eb:f0:46:59:ed:f3:58:76:c6:41:4c:0b:1a
Fingerprint (sha256): 63:fa:56:70:b6:50:3d:1a:98:3f:a4:a4:e7:cc:53:4e:fa:18:6a:46:40:72:33:c7:f7:ac:50:d1:ee:0d:d5:70

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 school.rotier.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for school.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

school.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 school.rotier.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu2L0ToOR/aAKgUMmklzx
51lXaLON+QrXA0bmEtKla/tADjcBp4A1rCxvRUBsWFcbrVKID1keHXnVBiyRSfHY
+1OeqJ8nCZybUYsQ1IRHVz/izjdHTd6MU+1nR5myowDGyyXapAbfe7EF6Hy6C4pa
YRS5zjcgFJVEOwRbW+v0akkVIQyijDCxq0HkJziapHXsO29Ml5mFrflmvBpZ9AfE
Kaktiku6OsHfvBSF9YDevQSF6tOGFxS5v6Kri2f52PMzlk2HBpsX2x7BasBmUc59
tX/qNCII/6maUG8XK3sm5FAT4ig78u3eNxiSFRkSvvEOP/eYHG5rJqzom8DZTHAi
DwIDAQAB
-----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 295119607839267205939293408333385711331555
 . . . . . . . . [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 02:18:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-10 02:18:20 +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 'school.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 23655359223997050388991531771744653144280227248923921221492726761950986154278712565980138352654321802647473438761984653770635533193846881422350125856856555980947600924422244856427945965600347025555533994155767837081267977325343558241122793689415275232823752871244321652244027293373521293341114277451654192153695388012941086287745486908364263546928084959093562252333491666665529492268421549738775037230681879130397257071605538521401496079976446673524105810916576900872803671421939088139704312442145562564398344901542222779075230964012938041034946655926596061685375771992090621735258342288803531229804822170998500499983
 . . . . . . . . . . . . . . . . . . . . [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)
							044d0cf8879f78649acd3811d2f588537f8baea2
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'school.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001696fe879730000040300463044022020681e1a580c3504437ba21f6793fab97570d0b1f7215682ffb853c0c0c05b2f02207d7027c5263e94855f5fef67f654888576d0380ad1bb54187417ccaf36e331f5007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001696fe879c200000403004830460221008a877919281a78fe2cbc4b2a076903a9dfce188659d4241a5a68cf520922cf12022100b972b4ed9f1f9f9cfa8eac10d71da60cab32533912cb8324c8b08354045618b0
 . . . . [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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