elearn.hkct.edu.hk

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number e0:80:15:03:42:77:69:58:34:75:27:4a:32:f3:04:14 was issued on by Sectigo Limited.

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=elearn.hkct.edu.hk,OU=Domain Control Validated+OU=COMODO SSL

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This certificate has expire since

Certificate Details

Serial Number (hex): e0:80:15:03:42:77:69:58:34:75:27:4a:32:f3:04:14
Serial Number (int): 298412111242570147991093666574543029268
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 72:2f:24:a3:89:42:2a:b5:d2:22:2b:35:17:41:a5:fb:e5:56:c9:d4
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): 19:ae:6c:dc:75:5b:9f:f8:64:3e:c1:1c:a1:f5:8e:6a:52:bd:b9:21
Fingerprint (sha256): c5:bd:83:5a:57:9c:b2:ab:e5:90:8b:8d:90:ba:b1:1d:62:72:fd:46:d0:43:d5:95:81:0a:50:b9:3b:96:06:7a

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate elearn.hkct.edu.hk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for elearn.hkct.edu.hk

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

elearn.hkct.edu.hk
www.elearn.hkct.edu.hk

Other certificates including the domain name hkct.edu.hk

(limited to 100 certificates)
svt.hkct.edu.hk
helpdesk.it.hkct.edu.hk
svt.hkct.edu.hk
enrol.hkct.edu.hk
helpdesk.it.hkct.edu.hk
helpdesk.it.hkct.edu.hk
orsapps.hkct.edu.hk
enrol.hkct.edu.hk
www.hkct.edu.hk
helpdesk.it.hkct.edu.hk
enrol.hkct.edu.hk
www.hkct.edu.hk
elearn.hkct.edu.hk
ctpower.hkct.edu.hk
svt.hkct.edu.hk
hkcc.hkct.edu.hk
exmail.hkct.edu.hk
enrol.hkct.edu.hk
elearn.hkct.edu.hk
orsapps.hkct.edu.hk
ctpower.hkct.edu.hk
orsapps.hkct.edu.hk
*.hkct.edu.hk
*.hkct.edu.hk
exmail.hkct.edu.hk
elearn.hkct.edu.hk
elearn.hkct.edu.hk
*.hkct.edu.hk
sso.hkct.edu.hk
orsapps.hkct.edu.hk
hkct.edu.hk
www.hkct.edu.hk
enrol.hkct.edu.hk
helpdesk.it.hkct.edu.hk
apply.hkct.edu.hk
helpdesk.it.hkct.edu.hk
www.hkct.edu.hk
www.hkct.edu.hk
hkct.edu.hk
*.hkct.edu.hk
enrol.hkct.edu.hk
helpdesk.it.hkct.edu.hk
sso.hkct.edu.hk
helpdesk.it.hkct.edu.hk
helpdesk.it.hkct.edu.hk
exmail.hkct.edu.hk
sso.hkct.edu.hk
hkct.edu.hk
ctpower.hkct.edu.hk
exmail.hkct.edu.hk
elearn.hkct.edu.hk
www.hkct.edu.hk
hkct.edu.hk
ctpower.hkct.edu.hk
enrol.hkct.edu.hk
hkct.edu.hk
ctpower.hkct.edu.hk
sso.hkct.edu.hk
exmail.hkct.edu.hk
elearn.hkct.edu.hk
*.ezproxy.hkct.edu.hk
ctpower.hkct.edu.hk
elearn.hkct.edu.hk
*.hkct.edu.hk
mediastore.hkct.edu.hk
helpdesk.it.hkct.edu.hk
*.hkct.edu.hk
elearn.hkct.edu.hk
helpdesk.it.hkct.edu.hk
ctpower.hkct.edu.hk
helpdesk.it.hkct.edu.hk
sso.hkct.edu.hk
helpdesk.it.hkct.edu.hk
www.hkct.edu.hk
enrol.hkct.edu.hk
enrol.hkct.edu.hk
exmail.hkct.edu.hk
*.hkct.edu.hk
hkct.edu.hk
exmail.hkct.edu.hk
exmail.hkct.edu.hk
helpdesk.it.hkct.edu.hk
www.hkct.edu.hk

Certificate

The complete raw certificate details for elearn.hkct.edu.hk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwupCwV3GK523sGylyTY4
QDOQ+lMC4O4UBj6oJgYmyqUNMJKZiAO07aY+P8vwvHEvahjYypPW7//51T5QLZJ8
+3yzkyRbeBu0a5wKUrkaE8d04vNly9/IJhbuK5c8s8BSXOIBfPGoshf4T7EGLkom
LuGWZeQxk2Ok3ROKOgKDwUKr6Tjxl1TMl7MDDh/Rw89Fz3Uk5ohw4E1ebTqAsWi3
QrJJH6cB4eJfcuKfNqIcGRK1LcSGDDHAQho25ShZqmGD1XCvoOZK7dc3l5TtLIym
VyKwWGe99Vmq4CywvdKf4pHmy/BEjYZTFKnH6EfiIcypSzI8EaHUxOwIf2PLaueC
OwIDAQAB
-----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 298412111242570147991093666574543029268
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-15 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-07-14 23:59:59 +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 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'COMODO SSL'
 . . . . . . . . . . . . [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 'elearn.hkct.edu.hk'
 . . . . . . . . [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 24605749451093800011798238957441979209938479131037473087259138173905621874004399000444951888162453931919203716870543787205671304781137513794715215360159007344254187523673054170019717644506538834799497162072130687559591835790393469100817499710779702506279581473679706355379852578419833992983023179160358608149443923014308686129493574094941471640966669939454664056903215443354785897589481526137698867113017367219077729583937274249636106861070312943008708511256437303554214064771272472719659092674126853045804574882696078259283530663860863557124281890343512752196285720218608552879735166473585493058324434925077211349563
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							722f24a389422ab5d2222b351741a5fbe556c9d4
 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elearn.hkct.edu.hk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.elearn.hkct.edu.hk'
 . . . . . . . . . . . . . . . . [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 (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . [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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