www.seki.cs.it-chiba.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:06:52:08:c7:60:f0:8c:fd:08:4b:95:68:33:82:eb:4e:75 was issued on by Let's Encrypt.
With 2 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=www.seki.cs.it-chiba.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:06:52:08:c7:60:f0:8c:fd:08:4b:95:68:33:82:eb:4e:75Serial Number (int): 263487594274715463675786486706668588191349
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7b:20:4c:c4:9b:37:e9:41:89:7f:a2:a9:62:fa:59:19:3e:93:08:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): be:43:e1:09:19:5f:11:a0:90:5d:c9:bf:1b:71:d8:89:1e:2d:ba:6b
Fingerprint (sha256): 24:0b:83:e2:8b:b1:5f:4f:00:dc:44:b2:e6:5b:c3:78:ed:2e:57:14:1c:57:30:13:1f:5d:76:c9:02:01:ce:2c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.seki.cs.it-chiba.ac.jp
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.seki.cs.it-chiba.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
ipx.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
Other certificates including the domain name it-chiba.ac.jp
(limited to 100 certificates)
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fyi.cs.it-chiba.ac.jp
www.elt.net.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
citkaikeiap1.it-chiba.ac.jp
www.eee.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
find.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.it-chiba.ac.jp
find.is.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
www.hara.net.it-chiba.ac.jp
opac2.lib.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
ecomeeting.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
hrms.jinji.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.ord.it-chiba.ac.jp
ipx.seki.cs.it-chiba.ac.jp
kanri.lib.it-chiba.ac.jp
mac.it-chiba.ac.jp
webentry.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
sso.it-chiba.ac.jp
opac.lib.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
www.appchem.it-chiba.ac.jp
www.elt.net.it-chiba.ac.jp
elt.net.it-chiba.ac.jp
portal.it-chiba.ac.jp
www.net.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
mac.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.lib.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
ssk.is.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
idp.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
ccc.is.it-chiba.ac.jp
ccc.is.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
www.ord.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
auth.it-chiba.ac.jp
www.robotics.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
auth.it-chiba.ac.jp
ipx.seki.cs.it-chiba.ac.jp
pop.perc.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
www.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
risyu.is.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
webentry.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
ecomeeting.is.it-chiba.ac.jp
c-ad01.cad.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
risyu.is.it-chiba.ac.jp
ad-pass.is.it-chiba.ac.jp
citlcap.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
www.mecheng.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
www.pm.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.smp.it-chiba.ac.jp
rp.elt.net.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
www.lib.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.elt.net.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
citkaikeiap1.it-chiba.ac.jp
www.eee.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
find.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.it-chiba.ac.jp
find.is.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
www.hara.net.it-chiba.ac.jp
opac2.lib.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
ecomeeting.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
hrms.jinji.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.ord.it-chiba.ac.jp
ipx.seki.cs.it-chiba.ac.jp
kanri.lib.it-chiba.ac.jp
mac.it-chiba.ac.jp
webentry.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
sso.it-chiba.ac.jp
opac.lib.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
www.appchem.it-chiba.ac.jp
www.elt.net.it-chiba.ac.jp
elt.net.it-chiba.ac.jp
portal.it-chiba.ac.jp
www.net.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
mac.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.lib.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
ssk.is.it-chiba.ac.jp
attendance.is.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
idp.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
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ccc.is.it-chiba.ac.jp
ccc.is.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kmsk.is.it-chiba.ac.jp
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lms.is.it-chiba.ac.jp
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auth.it-chiba.ac.jp
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fyi.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
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auth.it-chiba.ac.jp
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pop.perc.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
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lms.is.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
risyu.is.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
webentry.it-chiba.ac.jp
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www2.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
ecomeeting.is.it-chiba.ac.jp
c-ad01.cad.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
risyu.is.it-chiba.ac.jp
ad-pass.is.it-chiba.ac.jp
citlcap.it-chiba.ac.jp
lms.is.it-chiba.ac.jp
www.mecheng.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www.seki.cs.it-chiba.ac.jp
www.pm.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
fyi.cs.it-chiba.ac.jp
www.smp.it-chiba.ac.jp
rp.elt.net.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
kyoumu.is.it-chiba.ac.jp
www.lib.it-chiba.ac.jp
Certificate
The complete raw certificate details for www.seki.cs.it-chiba.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFijCCBHKgAwIBAgISAwZSCMdg8Iz9CEuVaDOC6051MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MDIwNjQ2MDVaFw0x OTA3MDEwNjQ2MDVaMCUxIzAhBgNVBAMTGnd3dy5zZWtpLmNzLml0LWNoaWJhLmFj LmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3NUbxpU5nW8MVUm/ hBSuU+JX9iu327BEe3mUOPQ2fAQqZw/4XXThMv4GpWvUdCUoXiOwjYpEyfwc1OQm /a/imR/nglf345PxL1uC6pmmX9iI+lgFYw+kD8W/f3QOzzP31S37C4EOcFINjj3A On5xannZlZ1Rfzi7SgjmMqdPJaJv3lasnV5kTFYvuHiu5Uc8v5Bly19sKOt0THVu JwxEqaabDNAnM3ohfakE2QdwdshwUTqwg1TtwAcnOyi66UeM0ojzdyJHNhALEDu3 vUo2fl+0YvVhmh0rRhkpEJ6kO7Gy43sHT3AzXOfUYWuddWjg/p4wYRrQM1WeWhOZ qQzPJQIDAQABo4ICjTCCAokwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR7IEzEmzfp QYl/oqli+lkZPpMIGzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMEEGA1UdEQQ6MDiCGmlweC5zZWtpLmNzLml0LWNoaWJh LmFjLmpwghp3d3cuc2VraS5jcy5pdC1jaGliYS5hYy5qcDBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQYGCisGAQQB1nkCBAIEgfcEgfQA8gB3ACk8UZZU yDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABad0DJ2IAAAQDAEgwRgIhAKo4 Y5gMT76Nxzau0yAWEeGdGRsUQ14RJngJX8yHAhzvAiEA0u2KzAMoR0CS4gzAoPbn on90NTnMSWZL8yZAh24a+XIAdwDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd 3fHb/gAAAWndAylCAAAEAwBIMEYCIQDQ9jay3IdwzyBxktWnW8PbVheMyWuihdKQ 8Hw2xyXJKgIhALygwkI8SXHmidpUSws9j13ggWAmTMGUjJSBuy+cSZfgMA0GCSqG SIb3DQEBCwUAA4IBAQBX7aF6w3UXlnqOq24hPOIyG7l2BEdm7NWa7yL3kgchB0I9 j2WVHtR+EaI+ZzE/JjdD0YFYaCXJ0IuufTH+iziyu3QEQCXs/EgLuNKMwNEQKRDX BBr13u2koIx0Sz4V5Q4QMGsOC6MfE9ZUb129DEV7jxRkO+HyI7xhNE8MFyhnhjxO i7EEPh9btEa02Ju5hdXaJwSGLTe/tmgZ4I62HAAfQqRyFhIp6p1YnsH7btRb+Eas kgNZVt47zx9r1QgbM7fhmNa7LsQW5W0HQNSwMnMXWPLV0+6R1THhs23hPOHjHS3X Hih/CpFNg/pl57G1avHCEAgVlxLGcihmoaXq2G6N -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3NUbxpU5nW8MVUm/hBSu U+JX9iu327BEe3mUOPQ2fAQqZw/4XXThMv4GpWvUdCUoXiOwjYpEyfwc1OQm/a/i mR/nglf345PxL1uC6pmmX9iI+lgFYw+kD8W/f3QOzzP31S37C4EOcFINjj3AOn5x annZlZ1Rfzi7SgjmMqdPJaJv3lasnV5kTFYvuHiu5Uc8v5Bly19sKOt0THVuJwxE qaabDNAnM3ohfakE2QdwdshwUTqwg1TtwAcnOyi66UeM0ojzdyJHNhALEDu3vUo2 fl+0YvVhmh0rRhkpEJ6kO7Gy43sHT3AzXOfUYWuddWjg/p4wYRrQM1WeWhOZqQzP JQIDAQAB -----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 263487594274715463675786486706668588191349 . . . . . . . . [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 2019-04-02 06:46:05 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-01 06:46:05 +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 'www.seki.cs.it-chiba.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 27877514810005830084287465889754538716701496769702163416092305179433758033904074634195056455051923179078995853431271823623861278837205009683213475991241937825638235558655890005651376701643335467143143769912246770431715292688518160153483220077564592631604470626006715785665900835095888143606769875585192279416828502963801747102013635344037454700297116932340173608074193021276464618105933809387717758771284234807001019526247762649942334408056778990847983172739600902666776152335365670130630186528961052668013561187083185500483180126705798759528390321296817695169155764600167324653586512534658153113731369167559001427749 . . . . . . . . . . . . . . . . . . . . [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) 7b204cc49b37e941897fa2a962fa59193e93081b . . . . . . . . . . . . . . . . [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 (58 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ipx.seki.cs.it-chiba.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seki.cs.it-chiba.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169dd0327620000040300483046022100aa3863980c4fbe8dc736aed3201611e19d191b14435e112678095fcc87021cef022100d2ed8acc0328474092e20cc0a0f6e7a27f743539cc49664bf32640876e1af972007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169dd0329420000040300483046022100d0f636b2dc8770cf207192d5a75bc3db56178cc96ba285d290f07c36c725c92a022100bca0c2423c4971e689da544b0b3d8f5de08160264cc1948c9481bb2f9c4997e0 . . . . [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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