Issued by Hongkong Post e-Cert CA 1 - 14

About this certificate

This digital certificate with serial number 0b:f4:4e:d5:99:5a:e7:8e:fd:db:54:f7:9f:07:da:d1:c9:cd:c2:86 was issued on by Hongkong Post .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on 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.

Cerificate errors/warnings *beta

  • WARNING: Certificate contains unknown extension ([2.16.840.1.113730.1.1])
  • ERROR: localityName or stateOrProvinceName is required if organizationName is set
  • ERROR: stateOrProvinceName is required if organizationName is set
  • ERROR: Certificate doesn't contain any subjectAltName
  • ERROR: Certificate CN is not listed in subjectAltName

Hongkong Post e-Cert (Server)

Organization: Hongkong Post e-Cert (Server)
Organization unit: 0001945822
Organization unit: 584608420000615601611182
Organization unit: CERTIZEN LIMITED
Organization unit: CERTIZEN
Country: HK

Hongkong Post

Organization: Hongkong Post
Country: HK

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 0b:f4:4e:d5:99:5a:e7:8e:fd:db:54:f7:9f:07:da:d1:c9:cd:c2:86
Serial Number (int): 68247147749794424910173099365396283517909713542
Serial Number lenght: 156 bits, 20 octets

SubjectKeyId: 51:83:f8:e6:41:b2:9c:fe:8e:32:79:79:b6:9e:5e:72:fd:f8:b7:db
AuthorityKeyId: 5b:37:7d:2d:b2:98:96:27:92:f7:1a:44:fc:37:a6:93:9e:5d:50:e4

Fingerprint (sha1): af:1b:f0:2f:31:ee:37:8f:a0:a6:d6:87:4c:20:17:79:d8:79:8d:ad
Fingerprint (sha256): dd:6d:25:51:ec:0e:a1:17:ee:37:b1:93:a6:58:80:fb:25:bf:57:3e:de:58:bb:d4:9b:d1:c0:f6:2e:d3:7e:92

Issuing Certificate URL:

Revocation information

CRL Distribution Point:

Check the revocation status for the current certificate on
DNS Names
Email Addresses
IP Addresses

Advanced Certificate Properties

Technical details about this certificate

Public Key Algorithm


Key Size


Signature Algorithm

SHA256 with RSA

Key Usage

Key Encipherment

Extended Key Usages


8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names