www.seki.cs.it-chiba.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e0:45:35:1a:b2:e9:f9:77:29:03:87:18:b6:fa:4e:03:96 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:e0:45:35:1a:b2:e9:f9:77:29:03:87:18:b6:fa:4e:03:96Serial Number (int): 337652100450531291511780408101323594924950
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 42:56:43:0d:6a:2e:f3:96:e9:61:28:3d:65:0f:39:4f:c8:6b:1d:47
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a1:3c:ea:8f:e0:36:b9:96:fe:3b:0b:1a:2a:8b:5e:3f:70:5f:e3:88
Fingerprint (sha256): 31:d2:6f:0e:29:93:7b:e6:7a:ba:e3:b3:08:30:b9:a6:6c:f3:60:51:24:76:03:59:54:95:2d:4d:53:33:37:21
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
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
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
Certificate
The complete raw certificate details for www.seki.cs.it-chiba.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFMzCCBBugAwIBAgISA+BFNRqy6fl3KQOHGLb6TgOWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMTkyMzQzNDVaFw0x ODA1MjAyMzQzNDVaMCUxIzAhBgNVBAMTGnd3dy5zZWtpLmNzLml0LWNoaWJhLmFj LmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuP/tjrF0XUS94eA3 U7/h+qkxbIMrKGz4gEmWfxVEUZKE6a1sSPuzdLImB2Gayqx/jEP5qVgB3Rx5bI7D fX1xVROiSrEHkyxQfWR4rv+x8Vcp72Rjq0osnjPPcPo3pbEUSZViDRFrDLCiSueA 1kN/ZQfRiVhXHaiiu8Ym/I3DT8UIX9o00XwcqksYU7hDyqDPeukX/9Q+i5WPsS9X +Hm8xjRws+AX8Vc6pi5NJnC723WYkoX8A1jMkm7PxKigDV5DkOggvReZDbOqGjzS KG3RK0zBZ6ZC1OVZDImN1lhYXUqaJXjCqtafncHCGEw2YiC0pw8G9a7j3c0R3mbO waqd/QIDAQABo4ICNjCCAjIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRCVkMNai7z lulhKD1lDzlPyGsdRzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMEEGA1UdEQQ6MDiCGmlweC5zZWtpLmNzLml0LWNoaWJh LmFjLmpwghp3d3cuc2VraS5jcy5pdC1jaGliYS5hYy5qcDCB/gYDVR0gBIH2MIHz MAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6 Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2Vy dGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0 aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUg UG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRv cnkvMA0GCSqGSIb3DQEBCwUAA4IBAQB4ifEnt+ii5bG+nJFFlOGa56ugcpqT+wki vm3uSn1GiiPaf8H26KJQp0wpsaEbC+Tl8UB/3WnD3KGoKnPAUmaU+624weTKf1be ChNjGRBqcDsjM5VkFNWITbrcgcD/OmnvTPdrMCbXQJ2lynQuzVk8ofReiYgzshxE cmrck29zTAfEwc1c/zPB3JDmkRphpvM4xeRmJTmS2T3sI6iOjjKcDCIXDtP2a5vR 7OwnxgAJR4xGk/0n3wWKg6QzgPo5ZK7JY9JNmm7y7Iy1kTVn+Br4HcMF0PxgNHJq iA8l+hkNY1VRIBrw6MAGoXpuwv2E9Qlok47g7LzqfLzkNuuZWztR -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuP/tjrF0XUS94eA3U7/h +qkxbIMrKGz4gEmWfxVEUZKE6a1sSPuzdLImB2Gayqx/jEP5qVgB3Rx5bI7DfX1x VROiSrEHkyxQfWR4rv+x8Vcp72Rjq0osnjPPcPo3pbEUSZViDRFrDLCiSueA1kN/ ZQfRiVhXHaiiu8Ym/I3DT8UIX9o00XwcqksYU7hDyqDPeukX/9Q+i5WPsS9X+Hm8 xjRws+AX8Vc6pi5NJnC723WYkoX8A1jMkm7PxKigDV5DkOggvReZDbOqGjzSKG3R K0zBZ6ZC1OVZDImN1lhYXUqaJXjCqtafncHCGEw2YiC0pw8G9a7j3c0R3mbOwaqd /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 337652100450531291511780408101323594924950 . . . . . . . . [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 2018-02-19 23:43:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-20 23:43:45 +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 23354050893770224549962030953968723672396669749204501877878670521415235027020615976914640314666176705306464056047003715291462614577711403384789432320082863832346111559751841100313590600414838271256815270753132466815222430990220399157039684692213963880157832585971690646345004320665058341546692493546796636546627180831257968457677605845384103566188338390343698488090017949181849288615594195137089994835801702616567423197299474151044523891665851690701644232422301295460279985666453063812693409063559223951121956488037724235275545240001785673961991026073369910085189447302394659236488904879801743159085457475868732071421 . . . . . . . . . . . . . . . . . . . . [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) 4256430d6a2ef396e961283d650f394fc86b1d47 . . . . . . . . . . . . . . . . [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 (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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