Hajoonchang.net Ha-Joon Chang | Economist & Author

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 11/02/2026

Hajoonchang.net attracts 1,508 unique visitors daily, generating 3,015 pageviews. The estimated value of hajoonchang.net is 2,311 USD. Each visitor views approximately 2.14 pages on average.

Hajoonchang.net is hosted by Kualo Limited. Check out other websites hosted by Kualo Limited.

See the list of other websites hosted by Kualo Limited.

Hajoonchang.net is registered with the .NET top-level domain. Explore additional websites within the .NET zone.

A recent examination on (September 19, 2024), indicates that hajoonchang.net has an expired wildcard SSL certificate issued by Let's Encrypt (expired on November 30, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec hajoonchang.net appears to be a safe domain.

Based on Google's Mobile-Friendly test, hajoonchang.net is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.

Overview
Last Updated: 11/02/2026
Overall result - hajoonchang.net is safe.
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: 02/20/2026
hajoonchang.net is safe.
Norton ConnectSafe evaluates hajoonchang.net for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/24/2020
hajoonchang.net is safe.
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: 01/09/2019
hajoonchang.net 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: 02/17/2021
hajoonchang.net is safe.
McAfee assesses hajoonchang.net 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 hajoonchang.net for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/02/2026
hajoonchang.net child safety is unknown.
The WOT calculates reputation of the hajoonchang.net. This reputation system receives ratings from users and information from third-party sources, assesses the hajoonchang.net for safety features and confirms, whether hajoonchang.net is suitable for children.

Hajoonchang.net | SSL Certificate Information
Domain*.hajoonchang.net
Issuer OrganizationLet's Encrypt
IssuerR10
AlgorithmRSA-SHA256
Valid form09/01/2024
Expiration11/30/2024
SignedCertificate is not self signed
Additional Domains *.hajoonchang.net
hajoonchang.net
Server Location

Hajoonchang.net ASN Information

ASN ID: 204436
ASN Title: Kualo Limited

Last Update: 05/11/2026

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS196608 - AS207419'

as-block: AS196608 - AS207419
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2022-08-23T17:19:53Z
last-modified: 2022-08-23T17:19:53Z
source: RIPE

% Information related to 'AS204436'

% Abuse contact for 'AS204436' is 'abuse@kgix.com'

aut-num: AS204436
as-name: KUALO-AS
org: ORG-KL206-RIPE
import: from AS29017 accept ANY
export: to AS29017 announce AS204436
import: from AS60800 accept ANY
export: to AS60800 announce AS204436
import: from AS19324 accept ANY
export: to AS19324 announce AS204436
admin-c: CL7471-RIPE
tech-c: CL7471-RIPE
abuse-c: AC30307-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGIX-MNT
created: 2022-06-23T13:22:05Z
last-modified: 2022-07-18T14:03:47Z
source: RIPE

organisation: ORG-KL206-RIPE
org-name: Kualo Limited
country: GB
org-type: LIR
address: 20-22 Wenlock Road
address: N1 7GU
address: London
address: UNITED KINGDOM
phone: +442071831465
admin-c: CL7471-RIPE
tech-c: CL7471-RIPE
abuse-c: AC30307-RIPE
mnt-ref: KGIX-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: KGIX-MNT
created: 2016-12-08T18:13:09Z
last-modified: 2022-06-22T23:16:11Z
source: RIPE # Filtered

person: Craig Luke
address: 20-22 Wenlock Road
address: N1 7GU
address: London
address: UNITED KINGDOM
phone: +442071831465
nic-hdl: CL7471-RIPE
mnt-by: uk-kualo-1-mnt
created: 2016-12-08T18:13:08Z
last-modified: 2016-12-09T19:16:14Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.104 (WAGYU)

WHOIS

Domain Name: HAJOONCHANG.NET
Registry Domain ID: 1610501932_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2022-10-03T19:02:06Z
Creation Date: 2010-08-10T17:31:47Z
Registry Expiry Date: 2023-08-10T17:31:47Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.LAGOM.WS
Name Server: NS2.LAGOM.WS
Name Server: NS3.LAGOM.WS
Name Server: NS4.LAGOM.WS
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-10-23T17:50:21Z


DNS Records
HostA RecordTTL
hajoonchang.net188.64.187.12514400
HostMX RecordPriorityTTL
hajoonchang.nethajoonchang.net014400
HostNS RecordTTL
hajoonchang.netns4.ukhost4u.com86400
hajoonchang.netns3.ukhost4u.com86400
hajoonchang.netns44.ukhost4u.com86400
hajoonchang.netns43.ukhost4u.com86400
HostTXT RecordTTL
hajoonchang.netv=spf1 +a +mx +ip4:188.64.187.125 +include:mx1.ukhost4u.com +include:mx2.ukhost4u.com ~all14400

ns3.ukhost4u.com
TTL: 86400
Email address: noreply.ukhost4u.com
Serial: 2019010700
Refresh: 86400
Retry: 7200
Expire: 3600000
Minimum: 86400


Errors
Warnings

Last tested: 08/15/2016

Desktop
Desktop Speed
68%

Desktop Resource Breakdown
Total Resources26
Number of Hosts3
Static Resources24
JavaScript Resources8
CSS Resources12

Last tested: 08/15/2016

Mobile
Mobile Usability
61%
Mobile Speed
55%

Mobile Resource Breakdown
Total Resources26
Number of Hosts3
Static Resources24
JavaScript Resources8
CSS Resources12
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