5-212.dorm.ncu.edu.tw

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f6:1a:7c:be:73:b1:74:b1:e9:4e:86:73:d8:36:0d:c9:1c 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=5-212.dorm.ncu.edu.tw

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f6:1a:7c:be:73:b1:74:b1:e9:4e:86:73:d8:36:0d:c9:1c
Serial Number (int): 345081527693356451388437138622764752423196
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c9:b8:5c:06:1e:63:fe:95:5e:97:da:a5:3f:d4:b3:57:ae:57:b3:6b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:3d:bc:a1:bc:8e:37:b7:20:5d:d4:c0:e7:24:d5:a2:a4:79:6a:e6
Fingerprint (sha256): 05:f9:54:1a:45:bd:ec:03:f9:44:44:bd:2b:53:2d:0f:ec:2d:96:d2:28:ef:56:63:fe:bf:1a:16:7c:e5:9c:05

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 5-212.dorm.ncu.edu.tw

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 5-212.dorm.ncu.edu.tw

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

5-212.dorm.ncu.edu.tw

Other certificates including the domain name ncu.edu.tw

(limited to 100 certificates)
ilearn.lst.ncu.edu.tw
www.ce.ncu.edu.tw
snmg-nas.ce.ncu.edu.tw
snmgnagios.ce.ncu.edu.tw
abroad.oia.ncu.edu.tw
ilearn.lst.ncu.edu.tw
gitlab.csie.ncu.edu.tw
*.mcl.math.ncu.edu.tw
apitest.cc.ncu.edu.tw
gitlab.snmg.csie.ncu.edu.tw
cis.ncu.edu.tw
easytest.lc.ncu.edu.tw
health.ncu.edu.tw
wasn.csie.ncu.edu.tw
ilearn.lst.ncu.edu.tw
webmail.ce.ncu.edu.tw
ilearn.lst.ncu.edu.tw
appropriation.is.ncu.edu.tw
ir.lib.ncu.edu.tw
service-learning.ncu.edu.tw
ncueeclass.ncu.edu.tw
ir.lib.ncu.edu.tw
eustoma.cc.ncu.edu.tw
psl.csie.ncu.edu.tw
hr.mgt.ncu.edu.tw
ilearn.lst.ncu.edu.tw
sex.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
careercenter.ncu.edu.tw
ilearn.lst.ncu.edu.tw
eustoma.cc.ncu.edu.tw
ceecs.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ir.lib.ncu.edu.tw
eugene.csie.ncu.edu.tw
easytest.lc.ncu.edu.tw
eustoma.cc.ncu.edu.tw
*.csie.ncu.edu.tw
emba.ncu.edu.tw
snorlax.in.ncu.edu.tw
issl.csie.ncu.edu.tw
www.me.ncu.edu.tw
ilearn.lst.ncu.edu.tw
portal.ncu.edu.tw
networklab.csie.ncu.edu.tw
appstore.cc.ncu.edu.tw
ilearn.lst.ncu.edu.tw
api.emath.math.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
rcsc.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
english-distance-teaching.cilab.csie.ncu.edu.tw
eustoma.cc.ncu.edu.tw
mwnlgit.ce.ncu.edu.tw
dsp.ee.ncu.edu.tw
story.lst.ncu.edu.tw
issl.csie.ncu.edu.tw
5-212.dorm.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ncufresh.ncu.edu.tw
eec.ncu.edu.tw
gwlab.phy.ncu.edu.tw
www.geneinfo.com.tw
rubygems.nos.ncu.edu.tw
story.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
portal.ncu.edu.tw
story.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
19.ncufresh.ncu.edu.tw
cis.ncu.edu.tw
ilearn.lst.ncu.edu.tw
nildlp.ncu.edu.tw
ilearn.lst.ncu.edu.tw
globe.tw
iisr.csie.ncu.edu.tw
ilearn.lst.ncu.edu.tw
irsl.ss.ncu.edu.tw
isrs.csrsr.ncu.edu.tw
ilearn.lst.ncu.edu.tw
ilearn.lst.ncu.edu.tw
sex.ncu.edu.tw
issl.csie.ncu.edu.tw
ilearn.lst.ncu.edu.tw
oauth.apitest.cc.ncu.edu.tw
enable.ncu.edu.tw
activity.careercenter.ncu.edu.tw
story.lst.ncu.edu.tw
eustoma.cc.ncu.edu.tw
iisr.csie.ncu.edu.tw
ncuinternship.careercenter.ncu.edu.tw
repair.ncu.edu.tw
www.csrsr.ncu.edu.tw
*.csie.ncu.edu.tw
*.mcl.math.ncu.edu.tw

Certificate

The complete raw certificate details for 5-212.dorm.ncu.edu.tw in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEQzCCAyugAwIBAgISA/YafL5zsXSx6U6Gc9g2DckcMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjEwMDcyMDQyMDBaFw0x
NzAxMDUyMDQyMDBaMCAxHjAcBgNVBAMTFTUtMjEyLmRvcm0ubmN1LmVkdS50dzBZ
MBMGByqGSM49AgEGCCqGSM49AwEHA0IABFlx4JPYINRqPJ5EX1s5J7u9NBwlQkj6
UmgwzIHAqn/Z6lq4wOUQv6gYgHivSulSxCe2C4Oa9yesVA/7KmDNnCmjggIWMIIC
EjAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMm4XAYeY/6VXpfapT/Us1euV7NrMB8G
A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAv
BggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w
LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv
MCAGA1UdEQQZMBeCFTUtMjEyLmRvcm0ubmN1LmVkdS50dzCB/gYDVR0gBIH2MIHz
MAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6
Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2Vy
dGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0
aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUg
UG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRv
cnkvMA0GCSqGSIb3DQEBCwUAA4IBAQBF7d94osZ+lKkjqhULgUw7fFoMTxMd+vdd
r1Fv0ZXiEETcGtbLeayNpCNZJiA0msKmoqAlhqPNA3A51IMHS6j9Db4q4NpLKLov
HeotISzx8KFME8zwqqka35pw9s5rqCVsK1ts7trGVk7JlNnownBql2TSoOUFzoCn
32IZ7Whdi3kbr89+r+qfZ3EWCES5MlNi6eZi1kRwbUv5DrWQvTH3mXvxlsFE0GC8
55PsapdOv7iV8X+IrDui0K/qJ62kDXjkEwr9R4haX1Z+F91EYFvI0n1hPo5FoceX
WFELgh77ZmYj2mF3AF9wB/U4CkJYApxMQ869VzhnWr0Aun3Pc5km
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEWXHgk9gg1Go8nkRfWzknu700HCVC
SPpSaDDMgcCqf9nqWrjA5RC/qBiAeK9K6VLEJ7YLg5r3J6xUD/sqYM2cKQ==
-----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 345081527693356451388437138622764752423196
 . . . . . . . . [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 2016-10-07 20:42:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-05 20:42:00 +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 '5-212.dorm.ncu.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 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00045971e093d820d46a3c9e445f5b3927bbbd341c254248fa526830cc81c0aa7fd9ea5ab8c0e510bfa8188078af4ae952c427b60b839af727ac540ffb2a60cd9c29
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							c9b85c061e63fe955e97daa53fd4b357ae57b36b
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '5-212.dorm.ncu.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 (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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