Cso.gov.hk Chief Secretary for Administration | 政務司司長 | 政务司司长

Cso.gov.hk Overview

Cso.gov.hk belongs to Shenzhen Tencent Computer Systems Company Limited. Check the list of other websites hosted by Shenzhen Tencent Computer Systems Company Limited.

Cso.gov.hk boasts a link base consisting of 261 referring domains and 332 external backlinks, as revealed by the data obtained from web network scanning.

Cso.gov.hk top-level domain belongs to .HK domain zone. Check other webpages in .HK zone.

According the last verification test in September 20, 2022, cso.gov.hk has an expired SSL certificate issued by Hongkong Post (expired on September 13, 2023). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Hongkong Post.

Based on data from Google Safe Browsing, Symantec and Web of Trust cso.gov.hk is a fairly safe domain.

According the Mobile-Friendly test by Google cso.gov.hk is nice optimized for mobile devices and tablets.

Cso.gov.hk Website Safety

Overview

Last Updated: 07/19/2025

Unknown status.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 04/10/2025

cso.gov.hk is safe.

Norton ConnectSafe evaluates cso.gov.hk for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 07/19/2025

Not yet checked.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/10/2019

cso.gov.hk is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 04/22/2021

cso.gov.hk is safe.

McAfee assesses cso.gov.hk for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze cso.gov.hk for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 02/13/2019

cso.gov.hk child safety is very good.

The WOT calculates reputation of the cso.gov.hk. This reputation system receives ratings from users and information from third-party sources, assesses the cso.gov.hk for safety features and confirms, whether cso.gov.hk is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.gov.hk
Issuer Organization	Hongkong Post
Issuer	Hongkong Post e-Cert SSL CA 3 - 17
Algorithm	RSA-SHA256
Valid form	09/13/2022
Expiration	09/13/2023
Signed	Certificate is not self signed
Additional Domains	www.gov.hk www.ct.gov.hk ct.gov.hk www.dsd.gov.hk dsd.gov.hk www.dhcas.gov.hk dhcas.gov.hk www.dhcas.hk dhcas.hk www.wfsfaa.gov.hk wfsfaa.gov.hk www.customs.gov.hk customs.gov.hk www.reo.gov.hk reo.gov.hk www.eac.gov.hk eac.gov.hk www.voterregistration.gov.hk voterregistration.gov.hk www.elections.gov.hk elections.gov.hk www.eac.hk eac.hk www.landsd.gov.hk landsd.gov.hk www.ipcc.gov.hk ipcc.gov.hk www.cso.gov.hk cso.gov.hk www.hkpopulation.gov.hk hkpopulation.gov.hk www.elderly.gov.hk elderly.gov.hk www.hcv.gov.hk hcv.gov.hk www.mdco.gov.hk mdco.gov.hk www.travelhealth.gov.hk travelhealth.gov.hk www.aud.gov.hk aud.gov.hk www.aud.hk www.auditcommission.hk www.gfs.gov.hk gfs.gov.hk

Cso.gov.hk Rank History

Alexa Rank shows how popular cso.gov.hk is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cso.gov.hk has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to cso.gov.hk and pageviews on cso.gov.hk over the past 3 months.

Cso.gov.hk Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 132203

ASN Title: Shenzhen Tencent Computer Systems Company Limited

Last Update: 04/07/2025

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS132096 - AS133119'

as-block: AS132096 - AS133119
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2011-08-10T06:21:42Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS132203'

% Abuse contact for 'AS132203' is 'jimmyxiao@tencent.com'

aut-num: AS132203
as-name: TENCENT-NET-AP-CN
descr: Tencent Building, Kejizhongyi Avenue
descr: Hi-techPark
descr: Nanshan District
country: CN
org: ORG-STCS1-AP
admin-c: STCS2-AP
tech-c: STCS2-AP
mnt-routes: MAINT-TENCENT-NET-AP-CN
mnt-by: MAINT-TENCENT-NET-AP-CN
mnt-irt: IRT-TENCENT-NET-AP-CN
last-modified: 2017-10-16T00:27:25Z
source: APNIC

irt: IRT-TENCENT-NET-AP-CN
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
e-mail: jimmyxiao@tencent.com
abuse-mailbox: jimmyxiao@tencent.com
admin-c: STCS2-AP
tech-c: STCS2-AP
auth: # Filtered
mnt-by: MAINT-TENCENT-NET-AP-CN
last-modified: 2014-09-17T00:54:14Z
source: APNIC

organisation: ORG-STCS1-AP
org-name: Shenzhen Tencent Computer Systems Company Limited
country: HK
address: Tencent Building, Kejizhongyi Avenue
address: Hi-techPark
address: Nanshan District
phone: +86-755-86013388
fax-no: +86-755-86013030
e-mail: tencent_idc@tencent.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-09-01T12:56:34Z
source: APNIC

role: SHENZHEN TENCENT COMPUTER SYSTEMS COMPANY LIMITED
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-64196
fax-no: +86-755-86013030
e-mail: jimmyxiao@tencent.com
admin-c: STCS2-AP
tech-c: STCS2-AP
nic-hdl: STCS2-AP
mnt-by: MAINT-TENCENT-NET-AP-CN
last-modified: 2014-09-17T00:57:52Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

Cso.gov.hk Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

-------------------------------------------------------------------------------
Whois server by HKIRC
-------------------------------------------------------------------------------
.hk top level Domain names can be registered via HKIRC-Accredited Registrars.
Go to https://www.hkirc.hk/content.jsp?id=280 for details.
-------------------------------------------------------------------------------

Domain Name: CSO.GOV.HK
Bundled Domain Name: CSO.政府.香港
Domain Status: Active

DNSSEC: signedDelegation

Contract Version: HKDNR latest version

Active variants

Inactive variants

Registrar Name: Hong Kong Domain Name Registration Company Limited

Registrar Contact Information: Email: enquiry@hkdnr.hk Hotline: +852 2319 1313

Reseller:

Registrant Contact Information:

Company English Name (It should be the same as the registered/corporation name on your Business Register Certificate or relevant documents): CHIEF SECRETARY FOR ADMINISTRATION'S OFFICE
Company Chinese name: -
Address: IT MANAGEMENT SECTION, CSO, 25/F, CENTRAL GOVERNMENT OFFICES, 2 TIM MEI AVENUE, ADMIRALTY, HONG KONG
Country: Hong Kong (HK)
Email: kimmy_chan@cso.gov.hk
Domain Name Commencement Date: 19-04-2000
Expiry Date: 01-09-2027
Re-registration Status: Complete

Administrative Contact Information:

Given name: JOVI
Family name: HO
Company name: CHIEF SECRETARY FOR ADMINISTRATION'S OFFICE
Address: IT MANAGEMENT SECTION, CSO, 25/F, CENTRAL GOVERNMENT OFFICES, 2 TIM MEI AVENUE, ADMIRALTY, HONG KONG
Country: Hong Kong (HK)
Phone: +852-28103920
Fax: +852-31050177
Email: jovi_ho@cso.gov.hk

Account Name: HK2825434T

Technical Contact Information:

Given name: Systems Manager (IT Operations)
Family name: -
Company name: OGCIO, HKSARG
Address: 15/F, WANCHAI TOWER, 12 HARBOUR ROAD, WAN CHAI
Country: Hong Kong (HK)
Phone: +852-25824305
Fax: +852-25193374
Email: webadmin@cis.gov.hk

Name Servers Information:

NS01.SCIG.GOV.HK
NS02.SCIG.GOV.HK

Status Information:

Domain Prohibit Status:

-------------------------------------------------------------------------------
The Registry contains ONLY .com.hk, .net.hk, .edu.hk, .org.hk,
.gov.hk, idv.hk. and .hk $domains.
-------------------------------------------------------------------------------

WHOIS Terms of Use
By using this WHOIS search enquiry service you agree to these terms of use.
The data in HKDNR's WHOIS search engine is for informational purposes only and HKDNR does not guarantee the accuracy of the data. The data is provided to assist people obtaining information about the registration record of domain names registered by HKDNR. You agree to use the data for lawful purposes only.

In light of the General Data Protection Regulation, HKIRC reserves the right to not make available certain data on this WHOIS search enquiry.

You are not authorised to use high-volume, electronic or automated processes to access, query or harvest data from this WHOIS search enquiry service.

You agree that you will not and will not allow anyone else to:

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HKDNR may modify these terms of use at any time by publishing the modified terms of use on its website.

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Cso.gov.hk HTML Check

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

The “text” attribute on the “body” element is obsolete. Use CSS instead.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

The “align” attribute on the “tr” element is obsolete. Use CSS instead.

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Cso.gov.hk Mobile Insights

Last tested: 09/17/2018

Mobile Usability

80%

Size tap targets appropriately

Configure the viewport

Mobile Speed

66%

Avoid landing page redirects

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Reduce server response time

Optimize images

Minify CSS

Mobile Resource Breakdown

Total Resources	19
Number of Hosts	2
Static Resources	16
CSS Resources	1

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