license.seasea.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:95:74:a4:1c:34:c4:ac:64:0b:b3:b5:13:4f:b3:ec:b5:de 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): 03:95:74:a4:1c:34:c4:ac:64:0b:b3:b5:13:4f:b3:ec:b5:de
Serial Number (int): 312193973022784621771509422159709332092382
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 72:9c:0e:6b:d0:d5:4f:56:e4:59:a4:c8:e6:c6:66:1e:b5:d9:80:55
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bf:61:64:aa:af:66:54:4e:d6:b3:ed:08:1f:75:1d:6b:61:d4:07:09
Fingerprint (sha256): 41:dc:dd:49:dd:9f:98:75:b6:16:5d:ac:84:8c:68:a3:73:75:c6:59:6a:9c:a4:51:e8:28:00:78:18:17:0e:3f

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwVK3t+DfRSPFSKSFpOK
Ga1Ti5GWUXD4UD3qggSzgm1sDdk9YAsQp0Px6SJe7HT0GuEypUzD/GzRQkyza8IT
wEEbRECT0eXa0lkUiZQb3xO1oFoq/h2Xf0BmV4sCJtN48IxJhq292VbHfRDCNpE0
19f3nBgB8SSwgqKcUSccpql8wDqc7Kk/bup7AipxX0+sqEFo9WF+E9HjjNwS+6qE
3WU6Qx91413MSczMECV32jyrPwoTGlG6y6LLPYCY13DwTQclcPPmchNSowbhj4M7
fgzsRt2ELgFN2XFZW0e36KnGobS3mxRnPkuXy1SfvW5nhzP9MBP+OzOoKRBbSC64
/QIDAQAB
-----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 312193973022784621771509422159709332092382
 . . . . . . . . [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 2018-11-14 03:24:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-12 03:24:20 +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 '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 23609172839562170131963839457130808037423316104577490645895212062824265095680705709755700745141792544323872659311913941013657380691952015008710046257712609514882685758009909791927238259377892905009620237284649088613995076458194554186184288394539288047677098644652220886509712408027728772373284278267390905936561538971556282029436923369754903889716157309606636492732475414135426802161440593030569993362100141147351197426262622832447032601173455520750675253323310420438587068273421611117380428549129882167955259161454546632329091486788378692265992718277408046501940115617363310753124838446199059031333397302482113050877
 . . . . . . . . . . . . . . . . . . . . [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)
							729c0e6bd0d54f56e459a4c8e6c6661eb5d98055
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016710767f5a000004030048304602210093689e99c43574a13caf95211d59d65575b414ae5f3cfac549012101c99ac75d022100cbc22e48be2a2769e54305531118cbca07e50a8eeaeb7bdb1b8d67e8e9a0402e007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167107680a30000040300463044022066e6f19a970ac26d49cf0d17d44f35e55521d79d4bce8d99037fe6d32fdf437f022043e91aca3158044c642057a5898ab755acbd68fcf29957b2f87f8bb76c5fe538
 . . . . [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)
		007445cf2ad5950ce07ecd1af8d891a1a091158fda09261aa54d58edb5577f7e5d3e83ae302712b0f31570271c484f45fd2fd1e4826c102838a6252d2f73c0967740c3988c9d355d1758244fd0d2102cd872b6fbbf269ad297df70153663825e4e9ed8298e47b56c39e59a0a9badffc005294194e513b93e7c0dde933a6a822204b261531167b106a590b40fc8f43f19369a050ee783034cbd165eaa0e99ecd99fbaa83e75f4c433cb0b088e828f70f20532e3b7a24522be323f4e33805bf23a25da314f6f1c357adeb89b5580c747001af527ee9e7b6373b667c0199d7d1eeb5245f116492238a71d6cc2f9010209d704ebbcdfa42fa8407c72d9e4ad1f18f649