call.lang.hiroshima-cu.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:81:1d:52:6a:97:26:b4:67:40:f1:4f:4c:a1:e4:25:78:5d was issued on by Let's Encrypt.
With 4 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=call.lang.hiroshima-cu.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:81:1d:52:6a:97:26:b4:67:40:f1:4f:4c:a1:e4:25:78:5dSerial Number (int): 305272258670212813194180221989875343521885
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 76:15:25:a5:a9:78:8b:b9:1f:19:ed:1e:c5:84:95:82:3e:91:1b:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ec:98:e4:c4:aa:8b:eb:63:89:93:83:f9:db:41:2b:ef:83:87:ea:08
Fingerprint (sha256): 0e:3f:f7:8c:0d:2a:75:ed:e3:5c:e0:9b:3b:86:c6:af:2e:db:19:20:fc:82:d4:13:51:7e:c4:cb:44:4b:ab: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 call.lang.hiroshima-cu.ac.jp
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for call.lang.hiroshima-cu.ac.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
aokin.lang.hiroshima-cu.ac.jp
call.lang.hiroshima-cu.ac.jp
origin2.lang.hiroshima-cu.ac.jp
www.lang.hiroshima-cu.ac.jp
call.lang.hiroshima-cu.ac.jp
origin2.lang.hiroshima-cu.ac.jp
www.lang.hiroshima-cu.ac.jp
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Certificate
The complete raw certificate details for call.lang.hiroshima-cu.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFzDCCBLSgAwIBAgISA4EdUmqXJrRnQPFPTKHkJXhdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA0MDExMTAzMTFaFw0y MDA2MzAxMTAzMTFaMCcxJTAjBgNVBAMTHGNhbGwubGFuZy5oaXJvc2hpbWEtY3Uu YWMuanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDM5GBH8LvYhwWQ bSC9cuLk1CNpUzjIKFD5tr7YzDyHX6z2v8OjrJRvmk56FzBLpLIM06403UEb56RY C8/J91E0+hUJ1v3rFa+u4WQMcMjL5T1xw5J1QlkEs2qolqRDnqTe3VRqhF7/6hjF dngT2Ptj6jlZGJT5HXyMTXjnGlqsjE6Arg9JCcvA7D7eoA23feNq9ycPYPBSSP5b Xv246cxPs0zr0ET1k9DuGDtJ1YlZorAPDD1Z2e0ST02Tc7Ex9VlUs3rxXoPH+LP4 ofqbt5T2gKaz8DVHIYwu+ym/zf73VU2hFIec1jtn0jcVdjYxlQv7LVbDXRdMKLVH tOeDRBrPAgMBAAGjggLNMIICyTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHYVJaWp eIu5HxntHsWElYI+kRuBMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wgYQGA1UdEQR9MHuCHWFva2luLmxhbmcuaGlyb3No aW1hLWN1LmFjLmpwghxjYWxsLmxhbmcuaGlyb3NoaW1hLWN1LmFjLmpwgh9vcmln aW4yLmxhbmcuaGlyb3NoaW1hLWN1LmFjLmpwght3d3cubGFuZy5oaXJvc2hpbWEt Y3UuYWMuanAwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEE AdZ5AgQCBIHzBIHwAO4AdQBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZ EwAAAXE1n7jhAAAEAwBGMEQCIEENvolyMzee77vIH7YJ3YoLjGoecWHMOQThPwsg plpEAiBc8fxKWnggQs9x/Xy/tgoGZh2sNKCW92N9MeEH83bC6gB1AAe3XBvlfWj/ 8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcTWfuO0AAAQDAEYwRAIgDvzKCszr vAGvw94dxBm4To3+To5HWH8778jWLLnbAu0CIE7uF6Nq/6o9Vx8spcQEejl3JWk9 FfFxslZ+BZWPaF1tMA0GCSqGSIb3DQEBCwUAA4IBAQCZlX9M7pyw+j6AwX8ybi0W gkgCadE8JrG2QyulC8WgVA7c/MK62tSoz6jJbdCx1TYW5S8I2934omLvEjNB4zBE w63vbTpQLq6/rXwwIooN0DP6taLInvLCKTaT1w43CKTE5SBcyMdDy1IcLSKF8d3b /M2tbaFid7izzxleZQW2u8CcybRZbcItmgjP7PBKgM4VK7tSzoVHgIs0LXjmnX33 WfgnPwem4P3gBi25yBjHA/NnW10cBNsmVoyUtJTdexMaTs6v/QKz4y0JNQSYhYj8 0Ih6rnZLj7f49v+PRelzpRchCCF/EWwy2kbsha9Vy5E5RHnc+6iPP7mkmElepNEV -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzORgR/C72IcFkG0gvXLi 5NQjaVM4yChQ+ba+2Mw8h1+s9r/Do6yUb5pOehcwS6SyDNOuNN1BG+ekWAvPyfdR NPoVCdb96xWvruFkDHDIy+U9ccOSdUJZBLNqqJakQ56k3t1UaoRe/+oYxXZ4E9j7 Y+o5WRiU+R18jE145xparIxOgK4PSQnLwOw+3qANt33javcnD2DwUkj+W179uOnM T7NM69BE9ZPQ7hg7SdWJWaKwDww9WdntEk9Nk3OxMfVZVLN68V6Dx/iz+KH6m7eU 9oCms/A1RyGMLvspv83+91VNoRSHnNY7Z9I3FXY2MZUL+y1Ww10XTCi1R7Tng0Qa zwIDAQAB -----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 305272258670212813194180221989875343521885 . . . . . . . . [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 2020-04-01 11:03:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-30 11:03:11 +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 'call.lang.hiroshima-cu.ac.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 25865230664135719216993881312570007603874167523924054613212721266723625199417666261355015773329843518219025857885649195540182481764713749352047044908713028015843882233662778306300774042584344035456300208259848896031082276510286404258250553100215902895254242453711200530759508951369462748788462351094519710436992026499274641063197672314121638251870580418301844579441108285942067564420701804117528511107603286162344833007888169108476216290309748534246101583189256986179325947241859395420739162570672544003586336876742928826678652147718319328762094369029038433931431411921195389074960221561266600502568599331792048364239 . . . . . . . . . . . . . . . . . . . . [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) 761525a5a9788bb91f19ed1ec58495823e911b81 . . . . . . . . . . . . . . . . [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 (125 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aokin.lang.hiroshima-cu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'call.lang.hiroshima-cu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'origin2.lang.hiroshima-cu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lang.hiroshima-cu.ac.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) 00ee0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000171359fb8e100000403004630440220410dbe897233379eefbbc81fb609dd8a0b8c6a1e7161cc3904e13f0b20a65a4402205cf1fc4a5a782042cf71fd7cbfb60a06661dac34a096f7637d31e107f376c2ea00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000171359fb8ed000004030046304402200efcca0accebbc01afc3de1dc419b84e8dfe4e8e47587f3befc8d62cb9db02ed02204eee17a36affaa3d571f2ca5c4047a397725693d15f171b2567e05958f685d6d . . . . [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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