webmail.csie.cyut.edu.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:83:36:1f:5c:62:3c:90:91:4d:87:86:c6:6d:12:13:79:f9 was issued on by Let's Encrypt.
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=webmail.csie.cyut.edu.tw
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:83:36:1f:5c:62:3c:90:91:4d:87:86:c6:6d:12:13:79:f9Serial Number (int): 305985789008663466024799256426627984488953
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 88:90:bd:bc:5c:90:3f:ce:c4:a9:30:f1:91:1b:15:dd:93:5a:fe:a4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d7:8a:1e:cf:37:78:44:96:23:42:c6:1e:b2:8c:d5:e0:e2:12:50:6e
Fingerprint (sha256): 34:b0:a7:44:e8:fa:50:66:80:62:e5:39:d7:51:d1:af:f3:14:31:8f:8b:51:dd:d2:3e:25:4a:b2:8e:c1:39:0f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate webmail.csie.cyut.edu.tw
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for webmail.csie.cyut.edu.tw
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
webmail.csie.cyut.edu.tw
Other certificates including the domain name cyut.edu.tw
(limited to 100 certificates)
dywang.csie.cyut.edu.tw
www.ir.cyut.edu.tw
millennium.lib.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
www.ce.cyut.edu.tw
dywang.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
moodle.cyut.edu.tw
dywang.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
ait.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
moodle.cyut.edu.tw
www.ir.cyut.edu.tw
ait.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
admin.cyut.edu.tw
*.cyut.edu.tw
ait.csie.cyut.edu.tw
moodle.cyut.edu.tw
webmail.csie.cyut.edu.tw
*.cyut.edu.tw
v.im.cyut.edu.tw
web.csie.cyut.edu.tw
lc.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
www.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
moodle.cyut.edu.tw
web.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
lc.cyut.edu.tw
dywang.csie.cyut.edu.tw
*.cyut.edu.tw
v.im.cyut.edu.tw
webmail.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
webmail.cyut.edu.tw
general2.cyut.edu.tw
pheromone.cyut.edu.tw
webmail.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
i-Taiwan.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
www.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
mg19.cyut.edu.tw
moodle.cyut.edu.tw
moodle.cyut.edu.tw
ait.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
www.easytest.cyut.edu.tw
dywang.csie.cyut.edu.tw
mwebpac.lib.cyut.edu.tw
cyutotp.cyut.edu.tw
moodle.cyut.edu.tw
www.csie.cyut.edu.tw
millennium.lib.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
web.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
*.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
webmail.csie.cyut.edu.tw
v.im.cyut.edu.tw
ait.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
v.im.cyut.edu.tw
ad1.live.cyut.edu.tw
web.csie.cyut.edu.tw
web.csie.cyut.edu.tw
general2.cyut.edu.tw
www.ceapp.cyut.edu.tw
*.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
v.im.cyut.edu.tw
m-216.cyut.edu.tw
m-216.cyut.edu.tw
m-216.cyut.edu.tw
web.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
moodle.cyut.edu.tw
ait.csie.cyut.edu.tw
mg19.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
web.csie.cyut.edu.tw
www.ir.cyut.edu.tw
millennium.lib.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
www.ce.cyut.edu.tw
dywang.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
moodle.cyut.edu.tw
dywang.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
ait.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
moodle.cyut.edu.tw
www.ir.cyut.edu.tw
ait.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
admin.cyut.edu.tw
*.cyut.edu.tw
ait.csie.cyut.edu.tw
moodle.cyut.edu.tw
webmail.csie.cyut.edu.tw
*.cyut.edu.tw
v.im.cyut.edu.tw
web.csie.cyut.edu.tw
lc.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
www.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
moodle.cyut.edu.tw
web.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
lc.cyut.edu.tw
dywang.csie.cyut.edu.tw
*.cyut.edu.tw
v.im.cyut.edu.tw
webmail.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
webmail.cyut.edu.tw
general2.cyut.edu.tw
pheromone.cyut.edu.tw
webmail.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
i-Taiwan.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
www.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
mg19.cyut.edu.tw
moodle.cyut.edu.tw
moodle.cyut.edu.tw
ait.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
www.easytest.cyut.edu.tw
dywang.csie.cyut.edu.tw
mwebpac.lib.cyut.edu.tw
cyutotp.cyut.edu.tw
moodle.cyut.edu.tw
www.csie.cyut.edu.tw
millennium.lib.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
web.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
webmail.csie.cyut.edu.tw
*.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
webmail.csie.cyut.edu.tw
v.im.cyut.edu.tw
ait.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
v.im.cyut.edu.tw
ad1.live.cyut.edu.tw
web.csie.cyut.edu.tw
web.csie.cyut.edu.tw
general2.cyut.edu.tw
www.ceapp.cyut.edu.tw
*.cyut.edu.tw
dywang.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
ait.csie.cyut.edu.tw
dywftp.csie.cyut.edu.tw
v.im.cyut.edu.tw
m-216.cyut.edu.tw
m-216.cyut.edu.tw
m-216.cyut.edu.tw
web.csie.cyut.edu.tw
dywang.csie.cyut.edu.tw
moodle.cyut.edu.tw
ait.csie.cyut.edu.tw
mg19.cyut.edu.tw
2015concrete.ce.cyut.edu.tw
web.csie.cyut.edu.tw
Certificate
The complete raw certificate details for webmail.csie.cyut.edu.tw in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFaDCCBFCgAwIBAgISA4M2H1xiPJCRTYeGxm0SE3n5MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMDcyMzA2MzVaFw0y MDAyMDUyMzA2MzVaMCMxITAfBgNVBAMTGHdlYm1haWwuY3NpZS5jeXV0LmVkdS50 dzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL29RFUuFAgw1y6F0w8p R+TqrqRyE1MDeM9RzNaDQ5LAeDmzJyOirqjozNcEFK6TIy8Oy8aF7epkHw1UiDql bPDjssrAQ0wSYF54qF2rOZYDzChzPF6LR8YwecP49EW8EvTu+XdFwVt6EcHeBjuq nBUwQ0qBW8yCFOTzrrd3sgfxNlkjz0QnkR96YtDM+2RFJZUi8BMv4khuPzyC80SR eeaWgB+Rz8t8dj4TaW26c5K0XhtskCsywjZWh7Tw3k0Rfu96cpScOaDZuxp/srFP KH6xPGB/XUdDmEr5UXIfHf/cOKTG2KZIsD8c+35hqAIVJywN/7m4fs9B9L+MqrGS rVsCAwEAAaOCAm0wggJpMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUiJC9vFyQP87E qTDxkRsV3ZNa/qQwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzAjBgNVHREEHDAaghh3ZWJtYWlsLmNzaWUuY3l1dC5lZHUu dHcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQC BIH1BIHyAPAAdQBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW5I VYiBAAAEAwBGMEQCIDA6AsVQiAL8IqKkjjSs2NWG5okloB905JnnTYVcO7d2AiAb zS3FGC6u8z3k1b0YqgpgkgKeutmlEYn9n1FOYnsDkwB3ALIeBcyLos2KIE6HZvkr uYolIGdr2vpw57JJUy3vi5BeAAABbkhViGkAAAQDAEgwRgIhANZp2gtwOVxC7xAJ aJ9K3Glym13WWDjF4T5KQocOqOnWAiEA320GIU9B8kP56N5qfjxcAeq32J3o8ScJ Fat3j9oCT5AwDQYJKoZIhvcNAQELBQADggEBAIG442cvQY5bwmHPKnE9hOpy7XDh 5cFudj7XqaZSwxjQm75ndxm6pYqe8NxOMQn9Q2y8hTMFmanEbiDArEAvVO7S5n+X P2GkcFkVR9TjW8gu9aSvVtdKt72mqd8O0hfTfNmmUMVYouZc4hb5YiT8JDdlA3Fh KD+aU7AsttdAbFmzqx0IzXnAgpac/k3N8RGruZWCKxeYsPH9Cz1gFERGgd4QHd8s DoGVOSV0tTgB5FWxzPe9gJcKG9eAdbJIlnxn6gyKjK9LMnEDY/+lszo7uqDn6gtk Lvm40I0JUTHTzrw6/tXPnqJ8hY1k9ncpoGe6rkJFaleF/qBDtu+O+p8KOQQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvb1EVS4UCDDXLoXTDylH 5OqupHITUwN4z1HM1oNDksB4ObMnI6KuqOjM1wQUrpMjLw7LxoXt6mQfDVSIOqVs 8OOyysBDTBJgXnioXas5lgPMKHM8XotHxjB5w/j0RbwS9O75d0XBW3oRwd4GO6qc FTBDSoFbzIIU5POut3eyB/E2WSPPRCeRH3pi0Mz7ZEUllSLwEy/iSG4/PILzRJF5 5paAH5HPy3x2PhNpbbpzkrReG2yQKzLCNlaHtPDeTRF+73pylJw5oNm7Gn+ysU8o frE8YH9dR0OYSvlRch8d/9w4pMbYpkiwPxz7fmGoAhUnLA3/ubh+z0H0v4yqsZKt WwIDAQAB -----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 305985789008663466024799256426627984488953 . . . . . . . . [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 2019-11-07 23:06:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-05 23:06:35 +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 'webmail.csie.cyut.edu.tw' . . . . . . . . [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 23952370637670095559428014219443309745826694843581578972941438350016944890696216443795397264787562424401589648146702465240347526459527842567705199232752389879880140049067468505669836136311835874356781882434214028226235083254552045934185437322450412945009088975450794856811969012740081444227667336808481720349362764527135237663674962319567948424233970477924406949375669452985839348855892557185396760166183607273950007537007670768456828360734700274856629703596691685375735114360703904532428291088842384720545014614452900198940409696353575219496033655502834270345656720699266230790281780608395766820169693051738597272923 . . . . . . . . . . . . . . . . . . . . [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) 8890bdbc5c903fcec4a930f1911b15dd935afea4 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.csie.cyut.edu.tw' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e4855888100000403004630440220303a02c5508802fc22a2a48e34acd8d586e68925a01f74e499e74d855c3bb77602201bcd2dc5182eaef33de4d5bd18aa0a6092029ebad9a51189fd9f514e627b0393007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e485588690000040300483046022100d669da0b70395c42ef1009689f4adc69729b5dd65838c5e13e4a42870ea8e9d6022100df6d06214f41f243f9e8de6a7e3c5c01eab7d89de8f1270915ab778fda024f90 . . . . [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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