www2.seki.cs.it-chiba.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:2f:ee:2f:0c:7d:eb:e1:c4:34:be:35:e3:19:a8:66:b2:bc 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=www2.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): 03:2f:ee:2f:0c:7d:eb:e1:c4:34:be:35:e3:19:a8:66:b2:bcSerial Number (int): 277646729594879446307577236184863598883516
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6c:12:ed:20:a4:d7:05:f5:13:2c:ad:c8:80:e7:87:2f:aa:fe:06:59
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f3:93:a2:9f:1e:e8:49:c9:88:a8:02:c8:5f:5f:db:59:fe:18:22:73
Fingerprint (sha256): 12:31:ae:3e:b4:ff:1b:c5:a2:24:82:e7:e7:59:92:3a:6f:93:18:19:50:d2:fa:a9:85:4e:7c:47:75:77:b5:35
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www2.seki.cs.it-chiba.ac.jp
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www2.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
seki-pc0.seki.cs.it-chiba.ac.jp
www2.seki.cs.it-chiba.ac.jp
www2.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
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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
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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 www2.seki.cs.it-chiba.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFOjCCBCKgAwIBAgISAy/uLwx96+HENL414xmoZrK8MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMTkyMzM5MjRaFw0x ODA1MjAyMzM5MjRaMCYxJDAiBgNVBAMTG3d3dzIuc2VraS5jcy5pdC1jaGliYS5h Yy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKDtLCVEIRoFXLVI znlwDw4UI05fB2pLdyqjAgBThER7hQmh/YubMTwaUodYQaXTOf5FZbot4znJP2Qd GdSYbZrtH5BsKO/HebkrWPbkqQlECiGlyoCJSVwGMfhxZssKN0FmNWHAaNVyKHRe t9KKTGmrK2J3NK7G1lfMZR3mYlHby45gAa07ay5faxsSTnkXZlkL3JBY2aZgSRC+ 2thlCOS/h0eRSmcvRCOuJAoMRqvnMM5p+YdLt+wSSytla/92WORU3mGNLNlVvOLe eyxJ63Pz6rYWJAEVKLCc2NGLfK4fjT7m07T/sQD4MpMDXgPM56+bI5uN5TCUGLUT 3HgzgPUCAwEAAaOCAjwwggI4MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUbBLtIKTX BfUTLK3IgOeHL6r+BlkwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzBHBgNVHREEQDA+gh9zZWtpLXBjMC5zZWtpLmNzLml0 LWNoaWJhLmFjLmpwght3d3cyLnNla2kuY3MuaXQtY2hpYmEuYWMuanAwgf4GA1Ud IASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtU aGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlp bmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRp ZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9y ZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAbt3TeoXozootxTnBKJNgcGNk ZouR63E4ryobCPRTFe+1aJKBFKLf8QRt8dm4qhQRkQuRG+c+XOtrvxreWKdkXPrR WHv5Oo3rYWLjUtJTUpBKNifcLZiIBCEQw/8EtgcteFukbTeXCoCPtS2/0aVaaLtL T3YT3iltovFeVe7wENjg1DhFYuj1FP1Qjs5Wq12oZJvtFQgL/lY3kbRXhx260Utk DDJalGO5c8jJOnsB94qG7lPKvA7sOoi8vLgyGIj8YvFYf4T39o4+8h1mjLj79Xym 3IPHj8VI61mIMHhkHt9UKZMXYMEFfU0vgoHSaEy0lOrvotJ7gdHxMt3U319h8A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoO0sJUQhGgVctUjOeXAP DhQjTl8Hakt3KqMCAFOERHuFCaH9i5sxPBpSh1hBpdM5/kVlui3jOck/ZB0Z1Jht mu0fkGwo78d5uStY9uSpCUQKIaXKgIlJXAYx+HFmywo3QWY1YcBo1XIodF630opM aasrYnc0rsbWV8xlHeZiUdvLjmABrTtrLl9rGxJOeRdmWQvckFjZpmBJEL7a2GUI 5L+HR5FKZy9EI64kCgxGq+cwzmn5h0u37BJLK2Vr/3ZY5FTeYY0s2VW84t57LEnr c/PqthYkARUosJzY0Yt8rh+NPubTtP+xAPgykwNeA8znr5sjm43lMJQYtRPceDOA 9QIDAQAB -----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 277646729594879446307577236184863598883516 . . . . . . . . [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 23:39:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-20 23:39:24 +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 'www2.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 20315082885464961669822552318048747336775869754001346584816453928582873318057053341690011625795215382911729092393117388491077798170529325692521140710072185784521584730040666652808431347077156604617822496347250376230487550742452742390753377180341600697087096949325044534078282112856033068950473643973975253083649737912297411834181892186680124101405251616615912155613120968718307942277297184200878827177730605459390608929347428711067814264069962695376898738174259181595344216691079214838824250581736847280181807243353235240868320632411909962231881032443638699738919611458158723261349443394893739750974370009928606908661 . . . . . . . . . . . . . . . . . . . . [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) 6c12ed20a4d705f5132cadc880e7872faafe0659 . . . . . . . . . . . . . . . . [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 (64 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seki-pc0.seki.cs.it-chiba.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www2.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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