www.seki.cs.it-chiba.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:78:5f:e0:0f:64:32:4f:98:c5:e5:fb:75:62:76:2a:0f:ee 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): 03:78:5f:e0:0f:64:32:4f:98:c5:e5:fb:75:62:76:2a:0f:eeSerial Number (int): 302298181872063765148073896776045198708718
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ed:de:e4:12:d9:85:23:ac:f5:13:c7:a4:d0:97:40:95:1f:2a:1f:37
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3d:08:cb:42:1d:e2:38:f0:69:a8:97:0f:f2:35:eb:82:7d:cc:62:dc
Fingerprint (sha256): 3f:98:f8:88:ea:a9:e2:c6:43:d0:6c:7c:a3:fe:c3:22:d2:4f:47:0d:22:dd:1b:a5:0e:e1:c6:a4:23:68:1d:db
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 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
8 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)
www2.seki.cs.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
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
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
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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
Certificate
The complete raw certificate details for www.seki.cs.it-chiba.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFNDCCBBygAwIBAgISA3hf4A9kMk+YxeX7dWJ2Kg/uMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA3MTkwOTE0MDBaFw0x NjEwMTcwOTE0MDBaMCUxIzAhBgNVBAMTGnd3dy5zZWtpLmNzLml0LWNoaWJhLmFj LmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtZSCxtryt++hN87m PJHc/1eflr6idHWYOJcYb1Y54ZuFkgIu/dDHKwndrKj79zRppZC/fqUctolE1Exj 5uluTjvsFaCR+MTwGUBTEQ16uQOtuNV+x2Xc3ftGPVP6Ri9YzJFyNTnMmUqdhf5R zRWGYQGCAGaNvSUxhpfPdzv9gJtNsktf+8OVl1GeE7RmFHd6w0lwxOYNPwecI73t UeEs/wGhF4IDsu+SHm/rZf2xmI/E0owZkq/C4oDeSYDMO9qcWVP/J8GNgVzll+Px F3fFB+5Yiyk9O2OkmL90KZeQr58cCKezSgjApRNPY/vqqKPaPkM+0hbt1GbtqZtJ Ult88wIDAQABo4ICNzCCAjMwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTt3uQS2YUj rPUTx6TQl0CVHyofNzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBw BggrBgEFBQcBAQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzBBBgNVHREEOjA4ghppcHguc2VraS5jcy5pdC1jaGli YS5hYy5qcIIad3d3LnNla2kuY3MuaXQtY2hpYmEuYWMuanAwgf4GA1UdIASB9jCB 8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENl cnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFy dGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRl IFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0 b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAjHZJPVf+Nt3lmeO+jXnFsUxL0UjTQcGk i0WwdO8OV+2Gb9bZpWxJvYifK2DDJBy1SVWo3kN6rWocG+J/keX7dmakQnzR6CGF hUCfFMEvZBOikwfLyOAddLMz2aCPEpnBVDeQoeXcontj1iGNp541KdOnn0BDx3aP I0RQc3abTGcPJTjRUJ3Nve0GWU5XrxcLBXzaJ6LypJtgDbu9b6BGKdVOAhBuxkNT bPQHY0AxluPtYY3/PvwsFVjcIJov5dMqzyyLpkjamBWHhv2KtZ5NduGZGnEBdFRl rZv1TE+uNOsxA/M70mig5pQrKqe4Oo9QwX5GFKhIG4od7CqqijLYbA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtZSCxtryt++hN87mPJHc /1eflr6idHWYOJcYb1Y54ZuFkgIu/dDHKwndrKj79zRppZC/fqUctolE1Exj5ulu TjvsFaCR+MTwGUBTEQ16uQOtuNV+x2Xc3ftGPVP6Ri9YzJFyNTnMmUqdhf5RzRWG YQGCAGaNvSUxhpfPdzv9gJtNsktf+8OVl1GeE7RmFHd6w0lwxOYNPwecI73tUeEs /wGhF4IDsu+SHm/rZf2xmI/E0owZkq/C4oDeSYDMO9qcWVP/J8GNgVzll+PxF3fF B+5Yiyk9O2OkmL90KZeQr58cCKezSgjApRNPY/vqqKPaPkM+0hbt1GbtqZtJUlt8 8wIDAQAB -----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 302298181872063765148073896776045198708718 . . . . . . . . [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 2016-07-19 09:14:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-17 09:14:00 +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 22922366626856275575097526026421514257872906167703721684367441963845409369350321870753834761208047333124286161626334380748128709468114421969700077738176347317313526105750132696437728058649477742441360941204737828910837281101775763568103645621102931870898147746059396563466400379529123640017524289547386616900795214091902454290160469286248394123904307181072755774646609167758043854024888110749785449489173231538736632560140203985614026831504350863059395661962835894597056122489196475105297198910955896113209807206976034592614794230574376368205591765294598547630745181032706050979192053747647597149612931047140643011827 . . . . . . . . . . . . . . . . . . . . [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) eddee412d98523acf513c7a4d09740951f2a1f37 . . . . . . . . . . . . . . . . [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 (100 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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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