History
On record since 2002 · Registered with Cloudflare, Inc..
Dated facts on record, not a verdict on the site. Full ownership history report on who.is
Website report snapshot
DDTHPortal,TreXanhCM,Trao doi, thao luan ve tin hoc, CNTT, lap trinh, thuat toan, cau truc du lieu, phan men, he thong, internet, web, mang, va nhieu chuyen de khac.
The Authority/Safety methodology, live trust checks, and infrastructure context behind the answer above.
Can I trust this site?
Sourced website trust answerThis report has outstanding findings. Review their evidence and scope; a technical issue or review hold does not by itself establish fraud.
Facts, not verdicts. AboutUs shows sourced signals and the next owner action; it is not a scam label.
Caution — review the findings below
2 live trust checks need a look before relying on this site.
Source freshness: 86 days old
Not enough independent signals yet
0 of 2 safety checks passed (Oct 4, 2026).
Blacklist / threat feeds
On record since 2002 · Registered with Cloudflare, Inc..
Dated facts on record, not a verdict on the site. Full ownership history report on who.is
Current public signals checked for this report.
No A/AAAA record
No public A/AAAA record was found for this domain.
Source: AboutUs public DNS lookup
Not reachable
No public A/AAAA record was found for this domain. The checked HTTPS hostname is unavailable in this result.
Source: AboutUs live HTTPS response
No breaches on record
Have I Been Pwned has no catalogued breaches for this domain. Absence of a record is not a guarantee that no breach occurred.
Source: Have I Been Pwned
Authority and safety snapshot
This report combines public evidence source, live checks, freshness, and ownership status so readers can evaluate the website without treating the score as a popularity rank.
Report score
74/100
Owner action needed
Launch state
Search eligible
Eligible for launch indexing
Owner status
Claimable
No owner has verified domain control for this profile yet. Crawler and archive evidence remain visible, and official facts should be submitted through review.
Search visibility
Indexable public profile
This crawler-backed profile passed the public publication gate.
Report summary
Resolve high-priority trust, verification, or visibility issues before treating this profile as launch-ready.
What should improve before this profile becomes a stronger launch or owner asset.
Claim and verify this profile to turn public crawler data into an owner-confirmed trust record.
Verify ownership
The website owner needs to prove domain control with DNS before AboutUs treats owner facts as official.
Unlocks: Owner-controlled edits, verified status, stronger launch confidence, and paid owner setup.
Start owner claimNo public A/AAAA record was found for this domain.
Fix owner-side trust issue
The owner or site operator likely needs to fix the live website signal; AboutUs can recheck and record recovery.
What the correction form will prefill
Finding: DNS
Official and evidence URL start as https://diendantinhoc.org; owners can replace the evidence URL with a deeper source page.
The review note includes this finding plus the ranked report context.
Unlocks: Removes a high-priority report blocker and makes claim follow-up or checkout safer.
Suggest a correctionThe recommended path from public report to verified owner value.
Threat-feed coverage is not attached for this domain yet.
Email authentication
SPF record not found; DMARC record not found.
Next step
Claim this profile
Submit the owner request and prove control with a DNS TXT record for this domain.
Watch checks this site's homepage, DNS and certificates and shows you what changed, with dated evidence. $4.99/mo or $49.90/yr — see a sample
Evidence used now
Score source
Shared v2 modelThe report uses the same stored-input model as the profile and directory. Its score, band, reasons and coverage come from that model together.
Safety model
90/100 · ClearCoverage shown; confidence not calibrated; Safety is 90/100 and current band is Clear.
External popularity
Open PageRank 0.8/10Popularity evidence is attached as context, not as a guarantee of safety.
Domain age evidence
24.7 yearsRDAP/domain-age context is attached to the safety model from a lookup cached on Sep 7, 2026.
Threat-feed coverage
No unexpired threat-feed result; name-similarity check available (recorded about 26 days ago); 3/3 transport and email checks available (oldest recorded about 26 days ago).Coverage follows the displayed model and its current-source checks; unknown inputs are not clean results.
Last authority refresh
Sep 7, 2026Stored authority columns include a refresh timestamp for this profile.
Recommended authority action
Prove domain control so the site owner can improve facts and attach owner intent to this profile.
Outcome: Turns crawler-only evidence into an owner-controlled record.
Start owner claimScore basis
High-priority action cap
High-priority findings below are holding this score down. Resolving them raises it.
This is not a fraud verdict or PageRank score. It is an AboutUs signal summary based on current report-derived signals, live checks, ownership, freshness, and evidence source.
Authority includes Open PageRank data.
No public A/AAAA record was found for this domain.
Fix owner-side trust issue
The owner or site operator likely needs to fix the live website signal; AboutUs can recheck and record recovery.
What the correction form will prefill
Finding: HTTPS
Official and evidence URL start as https://diendantinhoc.org; owners can replace the evidence URL with a deeper source page.
The review note includes this finding plus the ranked report context.
Unlocks: Removes a high-priority report blocker and makes claim follow-up or checkout safer.
Suggest a correctionAboutUs Watch
$4.99 USD per website / month, plus applicable tax
Track observed homepage text, visual and DNS changes with dated evidence and an optional weekly email brief.
Claiming, DNS verification and factual corrections remain free. Monitoring records changes; it does not improve scores or guarantee safety.
Checked against the registry-zone evidence available to AboutUs. Coverage and observation dates vary by domain ending; retained sightings can be historical.
1 name in the available census closely resembles this domain.
Similar spelling does not establish ownership, intent or abuse. These names may belong to unrelated businesses or have been registered defensively.
AboutUs Watch is designed to help verified owners review similar names and their dated observations. How AboutUs Watch works →