license.seasea.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:37:0b:ec:73:65:2f:c2:08:c0:67:92:8a:d8:26:bd:d7:51 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): 03:37:0b:ec:73:65:2f:c2:08:c0:67:92:8a:d8:26:bd:d7:51Serial Number (int): 280068237206438532926561152203616681842513
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7a:96:e5:65:36:dd:70:46:1b:bc:6d:62:9f:cd:b4:cf:58:2a:59:f7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 11:2c:31:b8:8b:98:92:44:19:2b:b3:ef:0d:57:eb:5d:88:0c:7d:90
Fingerprint (sha256): ec:5a:41:19:a9:98:07:7b:95:7a:6f:27:7c:d5:10:a8:2a:09:e6:46:ef:21:e5:e2:01:bd:4d:9b:00:cd:6e:d4
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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----- MIIFWDCCBECgAwIBAgISAzcL7HNlL8IIwGeSitgmvddRMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDgwMzI0MTZaFw0y MDA0MDcwMzI0MTZaMBwxGjAYBgNVBAMTEWxpY2Vuc2Uuc2Vhc2VhLmpwMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0yCBXW9sj1Jxm3GWgNXpRswgvnw9 VBJ3s+KEs6ZiJjcRxZwCd4MamF9nJr2s/BzLaimGao6O5wiHyYUYmPCTaS/0OjnT /BIpiBuNM1rPZmbLWp0WfDbR/JELBWJJFZUlhvHtld0PCep0P/qswnnLbAW0exzs 9FS9b6+QFnlf5gGtpnwlhDY6KDWfl/521zeVq88Qo9czgXWwGw1StZWgS2d0DLO7 t3qDD777K0+vavoxBTT8og6T1rPHKJqmp+4kTezk2Jt5K6eJhTZcRPCQFbGR7gti j08jCwS8jcfgYtAk/Y1Iz5UWvgGcSUZPJVzsrKRNFqI3zoupBz9nGA4m9wIDAQAB o4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR6luVlNt1wRhu8bWKfzbTP WCpZ9zAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBwGA1UdEQQVMBOCEWxpY2Vuc2Uuc2Vhc2VhLmpwMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFvg2Ve0QAABAMARjBEAiEA xEpBtpAIFP81xLStCjUjEoVDgsAtKNxG1bDfwL/IdBYCH3yVD3o203Mvebm7Cw5J wphu2U+xRDw9Q9ZaUd0Yfd4AdQAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToa adOiHAAAAW+DZV77AAAEAwBGMEQCIFaZjeVMNZss/Up3r5wAl0Epb/pVCTZ6S2dw pknMakYMAiANg7JHbv6tkRSUuLdV8YuosP8sdtA0CgfzsLBv+KP3gTANBgkqhkiG 9w0BAQsFAAOCAQEAUAMniMuQw8JUlfYiCd8rYA346d9FkZYjJFUvaQf2RnZDMH9v vsSaDTRnX5xBwsPbx+fa4RCvapqlscwRyldJmcm/5hq1Q9HYqxVHQLMRFIEQQwRO 8itRXSAMWtxxErM7+mL7P9+fZTUAwcF0qGQg7RwsPfSXx/1OUcRZFAMiwC7zFzAF Ae526vmJ/qYusvqCXlvoPziUQyKUxFA1Pi9VEurYRTl1nsiQ8fPEIzwICwOFIZIf 6xLK/xnMG1jt8pHT7s+U6oL47WR7VuevGonSWDMj1B161l12P/MjGzPOxwIRV4kE YPbQbsPu/+Az8oudtqwdeLYKco4JkcQViKyHCw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0yCBXW9sj1Jxm3GWgNXp Rswgvnw9VBJ3s+KEs6ZiJjcRxZwCd4MamF9nJr2s/BzLaimGao6O5wiHyYUYmPCT aS/0OjnT/BIpiBuNM1rPZmbLWp0WfDbR/JELBWJJFZUlhvHtld0PCep0P/qswnnL bAW0exzs9FS9b6+QFnlf5gGtpnwlhDY6KDWfl/521zeVq88Qo9czgXWwGw1StZWg S2d0DLO7t3qDD777K0+vavoxBTT8og6T1rPHKJqmp+4kTezk2Jt5K6eJhTZcRPCQ FbGR7gtij08jCwS8jcfgYtAk/Y1Iz5UWvgGcSUZPJVzsrKRNFqI3zoupBz9nGA4m 9wIDAQAB -----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 280068237206438532926561152203616681842513 . . . . . . . . [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 2020-01-08 03:24:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-07 03:24:16 +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 26652311324435380000888251178691841098601404135366366695367375849322649084547029755813900619581123281146746617719444823884557715899193479261206813777109562489582578105177947956324795216945497365539741950063980021479166396309663610469300080719336015372410375965705045565873676484585185337923407139342817833698681543945520183280945752585431624185870375724650803131279584016420399130578316105448107148822930469420989857604694632892369392881482804429411806547976511412503479860811620712735033924986123998975625206457994638450658625962626193126691462960329342454304846817226292944438359149685735848943989593743321459468023 . . . . . . . . . . . . . . . . . . . . [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) 7a96e56536dd70461bbc6d629fcdb4cf582a59f7 . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f83655ed10000040300463044022100c44a41b6900814ff35c4b4ad0a352312854382c02d28dc46d5b0dfc0bfc87416021f7c950f7a36d3732f79b9bb0b0e49c2986ed94fb1443c3d43d65a51dd187dde00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f83655efb0000040300463044022056998de54c359b2cfd4a77af9c009741296ffa5509367a4b6770a649cc6a460c02200d83b2476efead911494b8b755f18ba8b0ff2c76d0340a07f3b0b06ff8a3f781 . . . . [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) 0050032788cb90c3c25495f62209df2b600df8e9df4591962324552f6907f6467643307f6fbec49a0d34675f9c41c2c3dbc7e7dae110af6a9aa5b1cc11ca574999c9bfe61ab543d1d8ab154740b31114811043044ef22b515d200c5adc7112b33bfa62fb3fdf9f653500c1c174a86420ed1c2c3df497c7fd4e51c459140322c02ef317300501ee76eaf989fea62eb2fa825e5be83f3894432294c450353e2f5512ead84539759ec890f1f3c4233c080b038521921feb12caff19cc1b58edf291d3eecf94ea82f8ed647b56e7af1a89d2583323d41d7ad65d763ff3231b33cec7021157890460f6d06ec3eeffe033f28b9db6ac1d78b60a728e0991c41588ac870b