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khoahoctiengtrung.com

“Trang chủ - Ngoại ngữ Tầm Nhìn Việt | Trung tâm dạy tiếng Trung uy tín”

Registrar
P.A. Viet Nam Company
Resolved IP
103.221.220.79
Registered
Aug 26, 2019
Threat verdict Critical
Availability Last known active Latest stored reachability observation
Risk signals
VirusTotal detections: 15/89 Scam type: Impersonation
OTX: 6 refs Jul 8, 2026
API
This domain has been flagged as malicious
Security engines reporting a detection: 15. Exercise extreme caution — do not enter credentials or personal information.
VirusTotal
VirusTotal
15 det.
OTX references
6 community refs
URLScan
URLScan
Report ↗
TLS Certificate
Expired or unverified -39d
Age
7.1 yr
Observed status
Last known active 200
PhishDestroy
DestroyList
Listed

Source evidence

6 sources

VirusTotal

15 / 89

Report

OTX

6 community references

Report

CF Radar

provider verdict: clean

Report

URLScan capture

stored report

Stored URLScan capture preview
Report

URLScan verdict

Analysis completed

Report

Google Safe Browsing

Checked; no threat flag recorded

Report

Evidence Summary

Critical
VirusTotal
15/89
OTX
6 community refs
URLScan
Stored capture

This domain, khoahoctiengtrung.com, is currently under investigation for generic phishing threats. Analysis indicates that it may be leveraged for phishing activities, such as collecting sensitive information from users under false pretenses. The domain presents itself as a Vietnamese language learning center, which could be used to establish legitimacy and target users seeking educational resources.

Infrastructure analysis reveals khoahoctiengtrung.com was registered on August 26, 2019, through P.A. Viet Nam Company Limited. The domain resolves to IP address 103.221.220.79. As of this assessment, there are zero detections out of 95 checked on major blocklists, indicating it is not yet widely recognized as malicious. However, the current status remains active and the domain is being monitored for further threat indicators.

Users who have interacted with this site should remain vigilant. It is recommended to avoid entering any personal or financial information and monitor for any signs of phishing attempts. If information was submitted, consider updating credentials and monitor associated accounts for suspicious activity.

Detection-evasion analysis

Cloaking and traffic-distribution check

Not observed No cloaking was observed in the stored scan

Stored crawler-versus-browser observations for this host, plus a live fingerprint check for Keitaro-style traffic distribution systems.

Stored cloaking flag
Not observed
Cloaking score
0/6
Last cloaking scan
Server header seen by scanner
LiteSpeed

Scanner note: alive_content: raw=ok; http=200; via=https_proxy; server=LiteSpeed

Live TDS fingerprint check
Seven Keitaro fingerprints plus a crawler-versus-browser comparison, run from the PhishDestroy scanner when this panel is open.
Waiting

Stored Capture · 2 captures

Primary capture 1 / 2
SourcePrimary capture
Recorded2026-07-08 18:54 UTC
StateStored capture
Position1 / 2
View Full Size Open raw image Wayback Download

Domain details

Domain
URLScan Verdict Analysis completed score 0 report ↗
IP Reputation abuse score 0/100 0 reports checked Oct 7, 2026
OTX Tags 2026-07activeall-domainsblocklistcontentcryptodomainsdrainerfraudlivemonthlyphishdestroyphishingscam
Registrar P.A. Viet Nam Company
Abuse contactabuse@pavietnam.vn
ICANN RegistryICANN Lookup (RDAP) →
WHOIS LookupICANN RDAP for khoahoctiengtrung.com →
RegistrationCreated Aug 26, 2019 — Expires Aug 26, 2026
HTTP Status200
Technical detailsProvenance & timestamps
First DetectedJul 8, 2026
DOM Analysisanalyzed Jul 9, 2026score 98/100
Submitted URLhttps://khoahoctiengtrung.com/
Favicon Hash
Page Title
Trang chủ - Ngoại ngữ Tầm Nhìn Việt | Trung tâm dạy tiếng Trung uy tín
TLS Certificate
Certificate hostname mismatch · Issued by Let's Encrypt / YR1

Network & certificates

Stored technical evidence

Network & DNS

Resolved IP
103.221.220.79
Network ASN
AS63760
Organization
AZDIGI
Observed location
Ho Chi Minh City, VN
Server header
LiteSpeed

Nameservers 3

  • ns1.pavietnam.vn
  • ns2.pavietnam.vn
  • nsbak.pavietnam.net

Mail routing 1 MX record

  • mail.khoahoctiengtrung.compriority 10

Location describes the IP network.

TLS certificate

Issuer
Let's Encrypt / YR1
Valid from
2026-06-02 10:45:15
Valid until
2026-08-31 10:45:14
Hostname coverage
Certificate hostname mismatch
Validity
Stored certificate expired
Collection time
2026-07-08 19:00:03 UTC
Collection source
PhishDestroy collector
Certificate fingerprint3d506fda73a3ae21ff1395bec22616f42742e73a88afd22ac50cb837cb299d41
Certificate names · 5 SANs
  • demo.khoahoctiengtrung.com
  • test.khoahoctiengtrung.com
  • www.demo.khoahoctiengtrung.com
  • www.khoahoctiengtrung.com
  • www.test.khoahoctiengtrung.com

Saved certificate metadata. Certificate dates without a timezone are shown as stored. Transport encryption does not establish that the site is trustworthy.

viewdns.info · 103.221.220.79rapiddns.io

Latest Classified Outcome 2026-10-08 10:25:20 UTC

Primary outcome Live content reason: Ordinary HTTP content served 90% confidence
Attribution source: Current Http Probe
Evidence layers Availability: Content serving Content: Content served at root DNS: Stale Registration: Unknown
Latest HTTP observation Live content Ordinary HTTP content served 90% 2026-10-08 10:25:20 UTC
RDAP registration Unknown
Observed timeline last reachable: 2026-10-08 10:25:20 UTC last content: 2026-10-08 10:25:20 UTC
Availability, content, DNS and registration are independent evidence layers. NXDOMAIN, an unreachable origin or missing content alone does not prove registrar action. A registrar or provider is credited only when a direct technical marker identifies that actor. Report causality is shown separately.
Technologies · 2 identified
Detected via Cloudflare Radar · Wappalyzer engine
Report This Domain Submit evidence & help protect others

VirusTotal Analysis

15 / 89 security vendors flagged this domain
View on VT
Last analyzed Previous stored snapshot: 15 detections
alphaMountain.ai
Chong Lua Dao
CRDF
ESET
Emsisoft
Forcepoint ThreatSeeker
Fortinet
Gridinsoft
Kaspersky
Lionic
Netcraft
SafeToOpen
SOCRadar
VIPRE
Webroot

Threat Response Pipeline

Discovery
Analysis
Monitoring

8 recorded events. These records describe collected evidence, outgoing notifications and publication; they do not confirm a complete investigation or a takedown.

Threat Ingested
khoahoctiengtrung.com detected and queued for full analysis
Jul 8, 2026
URLScan.io Capture
Stored URLScan report with capture artifacts
Jul 8, 2026
Cloudflare Radar Report
A stored Cloudflare Radar report is available. The report link alone is not a malicious verdict and does not prove that every network field was captured.
VirusTotal
15/89 recorded on VirusTotal
Sep 11, 2026
OTX Community References
6 community publication references on AlienVault OTX. References are not vendor verdicts and are excluded from the evidence score.
Oct 3, 2026
Forensic Evidence Collected
Stored evidence from URLScan.io, stored screenshot
Jul 8, 2026
Technical Analysis Recorded
The report contains stored technology or forensic-analysis results.
Oct 8, 2026
DestroyList Published
Listed in the public PhishDestroy/DestroyList repository
Jul 8, 2026
Monitoring Continues
The domain remains reachable or access-restricted; future checks may update this observation.
How we investigate & report

Public scans, evidence and abuse channels

We scan suspicious URLs, inspect public results and send evidence through the appropriate abuse-reporting channels. The dated events above show what is recorded for this domain. The directory below explains the wider workflow.

01Public scans & evidence collection10 sources and tool groups
urlscan.io Screenshot · DOM · HTTP

Capture the rendered page, requests and visible infrastructure.

VirusTotal Multi-engine verdicts

Compare the available engine results and retain the analysis timestamp.

Cloudflare Radar DNS · certificates · categories

Inspect a public scan and its recorded network and classification data.

AlienVault OTX Threat-intelligence pulses

Look for indicator references and related community intelligence.

Wayback Machine Historical evidence

Compare archived captures and preserve historical context.

crt.sh Certificate Transparency

Inspect certificate records and related hostnames.

DNS Security Filters Quad9 · AdGuard · CleanBrowsing

Compare security resolver responses and record observed blocking.

Web-Check Surface inspection

Inspect the public DNS, TLS, HTTP and technology surface.

02Abuse reports & follow-upRegistrar, hosting and security channels
  1. Identify the responsible provider. Match registration and hosting records to the relevant abuse contact.
  2. Prepare an evidence package. Include the URL, public scan references, captures and the recorded observations.
  3. Send the report. Keep outgoing report records and recipient information when available.
  4. Recheck and publish updates. Track later scanner verdicts, provider responses and site availability.

Security services used for scanning, reputation checks and reporting are listed below. A service being listed is not evidence that it received, accepted or acted on this particular domain. Recorded submissions appear in the notification history above.

GoogleSafe Browsing GoogleWeb Risk MicrosoftSmartScreen VirusTotalURL analysis CloudflareRadar / abuse reporting YandexSafe Browsing URLScan.ioPublic scan ESETSample / URL submission BitdefenderURL submission NortonSafe Web SymantecSiteReview AviraURL reporting Avast / AVGURL reporting KasperskyOpenTIP Dr.WebOnline scanner NetcraftAbuse reporting PhishTankCommunity reporting APWG eCXPhishing intelligence PhishStatsPublic feed Phish.ReportHosting abuse SpamhausDomain reputation PolySwarmMulti-engine analysis CheckPhishURL scan QutteraMalware scan URLqueryBrowser analysis Criminal IPAsset intelligence CRDFThreat Center ScamadviserReputation check MyWOTCommunity reputation

Evidence & External Reports

Security Analysis
URLScan Analyzed VirusTotal 15 det. ChainPatrol URLQuery SSL Labs Certificate hostname mismatch CF Radar Open report OTX 6 refs WOT ScamAdviser Blacklist Checker URLVoid Sucuri SiteCheck MDN Observatory
OSINT & Intelligence
Web-Check Full scan SOCRadar Dark web report LeakIX Leak search Shodan Censys ThreatFox Hudson Rock Sign-in search IntelX crt.sh Certs WHOIS Wayback
DNS & Network
nslookup.io DNS bgp.tools ASN/Route
SEO & Domain
SpyFu Moz DA/PA Ahrefs Backlinks
Deep Analysis
Deep Analysis

Were You Affected by This Site?

4 evidence signal groups linked 0 reports recorded Last known active
If credentials were compromised, report immediately. Do not engage with recovery scammers.

If credentials, payment data, or files were exposed, report the incident immediately. Change affected passwords, revoke active sessions, and scan the device.

Europol
Find the official reporting channel for your EU country
National police directory
PhishDestroy listing review Not a law-enforcement report
Domain Appeal
Request a review if you own this domain and believe the listing is incorrect
Beware of recovery scammers! Recovery scammers may pose as investigators, lawyers, or tracing services. Do not pay upfront fees or disclose credentials. Learn more about recovery fraud →

Report to Your Local Authorities

Select your country to get official cybercrime contacts, or create a complaint draft →.

97-country directory

Template-based draft · optional AI wording assistance requires separate consent

Template-based draft • optional AI wording assistance requires separate consent · Review and submit it yourself

Check Any Domain

Threat analysis using stored blocklist, WHOIS, DNS, and public scan evidence

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Report Phishing

Submit suspicious domains to our threat database — protect the community

Report

Live Threat Feed

Recent phishing reports and observed availability changes

Monitor

Stay Informed, Stay Safe

Monitor live threats or contest this listing if you believe it's a false positive

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