license.seasea.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3f:a9:3b:58:6c:38:b2:46:1d:a2:a1:40:ce:86:a6:8e:00 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=license.seasea.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3f:a9:3b:58:6c:38:b2:46:1d:a2:a1:40:ce:86:a6:8e:00
Serial Number (int): 282999594581528400828760886061546634382848
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b6:58:d9:0e:38:91:34:48:a4:d3:2e:40:d5:0f:5a:e7:72:3a:6e:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 07:47:fd:9b:a0:bd:cc:d3:fa:2d:f7:ee:9f:d8:87:89:04:3f:82:b8
Fingerprint (sha256): 1b:96:7c:3c:6e:e5:d4:9f:58:23:85:c9:54:0b:f0:3f:3f:45:bf:1b:a2:a2:8b:ca:01:d6:42:8c:8e:58:3c:ff

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 license.seasea.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for license.seasea.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

license.seasea.jp

Other certificates including the domain name seasea.jp

(limited to 100 certificates)
www.seasea.jp
www.seasea.jp
www.tokyo.seasea.jp
license.seasea.jp
www.seasea.jp
license.seasea.jp
license.seasea.jp
license.seasea.jp
www.seasea.jp
www.seasea.jp
www.seasea.jp
www.seasea.jp
www.seasea.jp
license.seasea.jp
www.seasea.jp
tokyo.seasea.jp
license.seasea.jp
license.seasea.jp
license.seasea.jp
license.seasea.jp
www.seasea.jp
www.seasea.jp
license.seasea.jp
license.seasea.jp
www.seasea.jp

Certificate

The complete raw certificate details for license.seasea.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwK+x9ds0uDEGIn/VHkR+
SeyaLO294kFo7Rqr1hW98R3ieXPN4jB5KdEHkQrkLPvwq0g1iKxLBA0W3n65CBVO
F1kcUnvpr3vlvF02xE+a5zUrdaODxf3nx7Ru8TW+5SObilCQ1xLfHEwVHCaYglXs
aa6afzn0ALehP23r1JzpnCdqakf1kgVKotZUNntPnj+xWbLhJiQYmPf2K6C2B2Zr
hixWaN37DeFx7jWQYLFlnwk7CzFLLuLniQZCDIlikZ5n8p845RYQbJStAFdZM7Ua
0f+QjlqxOvLmYoQJI5uY/te5PlK5WlPstcUxkxVVBqFvtMFRE9W/HN6MYZkAv9Rr
5wIDAQAB
-----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 282999594581528400828760886061546634382848
 . . . . . . . . [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 2019-01-13 03:24:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-13 03:24:10 +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 'license.seasea.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 24324393064816038424173361925640367653730621706347317147813426962845799094438458958073879795881421814471800038701187752821750925001679189157477694059241916673200582314167549991161407524570511448142148228016919220071300056979493166074970495694952877543281758943043819901397035655360731380567335042593269689217695314931193092264615862523732609148072596022219718946592880273441805719183557358153984910805455257168439867832082029415304056172115353392104339688965732512959551074465152764557845502663952279781585169929696397130023414079342096029890856495514377877922312523821621461398952347212213199185733180643354061597671
 . . . . . . . . . . . . . . . . . . . . [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)
							b658d90e38913448a4d32e40d50f5ae7723a6e68
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'license.seasea.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001684573e86b0000040300473045022100f42bc737526d875b8b874998bb001c78d11c2e7b59b93628a29e1354cfc87900022032b0f30f7f39ccda5950134b934b7eee6be97b68862730df136127291ee24ba400750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001684573e8b50000040300463044022040f582126fae67656fbaff7fdc025609f4f88d76c4f839f45160c16428e90a10022039753b38e8074ba7f5de8a44d276fcced1efb9a50d357d1fea7d5dae9267df48
 . . . . [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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