Is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev safe?

http://pub-51eb37e6989f4c56a4bec891936924d3.r2.dev/

Low RiskStatus

Coveragestrong2 of 4 applicable core capabilities

Verdict

Inactive Cloudflare R2 storage bucket returns 404 error

The URL points to a Cloudflare R2 storage subdomain that currently displays a 404 error page. While this specific subdomain format is frequently abused for hosting phishing content, the page is not active and no malicious content is present.

The URL is currently safe to visit as it returns only a 404 error with no malicious content. However, the subdomain format is known to be abused for phishing, so exercise caution if the page becomes active in the future.

Read full analysis

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Saved site captureCaptured safely during this scan No antivirus detections across 91 engines

Calibrated safety spectrum

Where this site sits

Dangerous1–20
High Risk21–44
Moderate Risk45–69
Low Risk70–84
Safe85–100

The score combines saved evidence strength and analysis quality. Coverage is reported separately.

01 · Investigation Brief

Investigation Brief

Infrastructure and Hosting Context

The hostname follows the pub-{hexadecimal}.r2.dev pattern that has been documented as commonly used for malicious hosting, particularly phishing campaigns.

The specific subdomain is currently inactive, returning only a 404 error with no functional content or commercial mechanisms present.

Current Security Assessment

the browser threat feed reports no threat warnings for this specific subdomain, and no malicious detections are recorded.

The combination of an inactive 404 page and clean security scan results indicates low immediate risk to visitors.

Why the score is 75

The pub-{hex} subdomain format is documented as frequently abused for phishing campaigns. Coverage remains separate so missing sources cannot be mistaken for clean results.

02 · Security Evidence

Security evidence

Collected signals and independent provider data for this URL.

Antivirus Engines

0/ 91

No detections

Saved result - stale

No detections across 91 engines

No antivirus engine in this saved scan raised an adverse result. This is one signal, not a guarantee.

Malicious: 0
Suspicious: 0
Total: 91

All 91 engine results

0xSI_f33d - unrated - Clean
Abusix - clean - Clean
Acronis - clean - Clean
ADMINUSLabs - clean - Clean
AILabs (MONITORAPP) - clean - Clean
AlienVault - clean - Clean
alphaMountain.ai - unrated - Clean
AlphaSOC - unrated - Clean
Antiy-AVL - clean - Clean
ArcSight Threat Intelligence - unrated - Clean
AutoShun - unrated - Clean
Bfore.Ai PreCrime - unrated - Clean
BitDefender - clean - Clean
Bkav - unrated - Clean
BlockList - clean - Clean
Blueliv - clean - Clean
Certego - clean - Clean
ChainPatrol - clean - Clean
Chong Lua Dao - clean - Clean
CINS Army - clean - Clean
Cluster25 - unrated - Clean
CRDF - clean - Clean
Criminal IP - clean - Clean
CSIS Security Group - unrated - Clean
CTX AI - clean - Clean
Cyan - unrated - Clean
Cyble - clean - Clean
CyRadar - clean - Clean
desenmascara.me - clean - Clean
DNS8 - unrated - Clean
Dr.Web - clean - Clean
EmergingThreats - clean - Clean
Emsisoft - clean - Clean
Ermes - unrated - Clean
ESET - clean - Clean
ESTsecurity - clean - Clean
Forcepoint ThreatSeeker - clean - Clean
Fortinet - clean - Clean
Fortra - unrated - Clean
G-Data - clean - Clean
GCP Abuse Intelligence - unrated - Clean
Google Safe Browsing - clean - Clean
GreenSnow - clean - Clean
GreyNoise - unrated - Clean
Gridinsoft - unrated - Clean
Guardpot - unrated - Clean
Heimdal Security - clean - Clean
Hunt.io Intelligence - unrated - Clean
IPsum - clean - Clean
Juniper Networks - clean - Clean
K7AntiVirus - unrated - Clean
Kaspersky - unrated - Clean
LevelBlue - clean - Clean
Lionic - clean - Clean
Lumu - unrated - Clean
Malwared - clean - Clean
MalwarePatrol - clean - Clean
MalwareURL - unrated - Clean
Mimecast - unrated - Clean
Netcraft - unrated - Clean
OpenPhish - clean - Clean
PhishFort - unrated - Clean
Phishtank - clean - Clean
PREBYTES - clean - Clean
PrecisionSec - unrated - Clean
Quick Heal - clean - Clean
Quttera - clean - Clean
Rising - clean - Clean
SafeToOpen - unrated - Clean
Sangfor - clean - Clean
Sansec eComscan - unrated - Clean
Scantitan - clean - Clean
SCUMWARE.org - clean - Clean
Seclookup - clean - Clean
Snort IP sample list - unrated - Clean
SOCRadar - unrated - Clean
Sophos - clean - Clean
StopForumSpam - clean - Clean
Sucuri SiteCheck - clean - Clean
ThreatHive - clean - Clean
URLhaus - clean - Clean
URLQuery - unrated - Clean
Viettel Threat Intelligence - clean - Clean
VIPRE - unrated - Clean
ViriBack - clean - Clean
VX Vault - clean - Clean
Webroot - clean - Clean
Xcitium Verdict Cloud - clean - Clean
Yandex Safebrowsing - clean - Clean
ZeroCERT - clean - Clean
ZeroFox - unrated - Clean

Security Scans

Browser Threat Feed

Not flagged on major threat lists

Checked against the browser threat feeds available to this scan — no hit.

What we observed

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Preparing the saved page preview.

CAPTURED PAGE

pub-51eb37e6989f4c56a4bec891936924d3.r2.dev

What our review noticed on this page

1Error 404 Object not found

Visual analysis

Visual context from the captured page

Error 404 Object not found

Context only

What the captured page showed

1 observation

01
Error 404 Object not found

03 · Investigation Story

Investigation story

The behavior, reputation, and operator evidence that explains how this site may affect a visitor.

What the site claims
No page claim could be verified for pub-51eb37e6989f4c56a4bec891936924d3.r2.dev because no usable page content or saved capture was available.
What we observed
The page itself could not be fully inspected, so the report relies on the other saved checks.
What independent research found
1 external finding were saved and compared with the page evidence.
What remains unverified
2 of the 4 applicable core capabilities did not complete, so those gaps remain visible in the coverage ledger.

Web research findings

Independent findings for pub-51eb37e6989f4c56a4bec891936924d3.r2.dev, including public complaints, named review sources, registration records, and look-alike-domain evidence. A missing result is shown as unverified, never converted into a clean bill of health.

Business registration

No public record found

Could not match the site to a registered company — common for small sites.

Clone check

No clone detected

The completed research found no supported clone indicator.

Typosquat check

No look-alike match

The completed research found no supported look-alike match.

Web mentions

1 scam report

Scam reports (1)

Direct quotes from public scam databases, forums, and news.

Keep Awareopen
"The R2 subdomains abused for malicious purposes have been observed and reported as most commonly beginning with “ pub-”, followed by a hexadecimal string (primarily 32 characters long)"

Reputation Sources

How this domain rates across independent threat-intelligence and blocklist providers.

Google Safe Browsing

Not listedCheck ↗

VirusTotal

Not listedCheck ↗

AbuseIPDB

Not listedCheck ↗

Also verify:Spamhaus ↗DNSBL / SURBL ↗PhishTank ↗

04 · Domain & Infrastructure

Domain & infrastructure

Timeline · identity · encryption · redirects · hosting

The plumbing behind the site — who registered it, how it’s encrypted, where it’s hosted, and where it links out. A valid certificate or a calm server doesn’t mean the business is honest — scam sites pass these checks too. Use this to corroborate the verdict, not to overturn it.

Infrastructure map

How the saved page connected to the wider web.

Domainpub-51eb37e6989f4c56a4bec891936924d3.r2.dev
Redirects topub-51eb37e6989f4c56a4bec891936924d3.r2.dev
Hosted byCloudflare, Inc.

Domain & Encryption

Domain History

AgeUnknown

RegistrarHidden

RegisteredUnknown

ExpiresUnknown

Owner privacyUnknown

Encryption Certificate

StatusValid

ProtocolTLSv1.3

IssuerLet's Encrypt · YE1

ExpiresDec 6, 2026 (76d)

Self-signedNo

Hosting & Technology

HostingCloudflare, Inc.

Server locationUS

Redirect Chain

Hops

Cross-domain

Lookalike

Punycode

1301http://pub-51eb37e6989f4c56a4bec891936924d3.r2.dev/
2404https://pub-51eb37e6989f4c56a4bec891936924d3.r2.dev/

Server Reputation

Abuse Intelligence

Confidence score0%

Reports on file88

ISPCloudflare, Inc.

Usage typeContent Delivery Network

05 · Evidence Ledger

Evidence ledger

Coverage, provenance, and source freshness remain separate so a missing check is never mistaken for a clean result.

Antiviruspartial
Browser threat feedcomplete
Page contentpartial
Analysiscomplete
Visual evidencecomplete

Completed analysis

The conclusion is supported by the evidence saved with this report.

Technical threat

unknown

Malware, phishing, credential theft and hostile infrastructure.

No confirmed evidence in this dimension.

Operator / customer risk

suspicious

Complaints, withdrawals, business conduct and commercial traps.

Additional evidence review

Source coverage and freshness

Status shows whether usable evidence was saved; finding shows what that evidence observed.

Source coverage
Source	Result	Completion	Finding	Freshness
Antivirus	0 of 91 engines flagged	Limited	No saved finding	stale fallback · Sep 20, 2026
Browser protection	No browser threat-list match	Completed	No adverse finding	Not available
Page content	Page content was not available for semantic review	Limited	No saved finding	Not available
Visual evidence	1 visible observation saved with the page capture	Completed	No adverse finding	Not available
Independent research	1 independent finding were saved	Completed	Adverse	Not available

Antivirus: Result0 of 91 engines flagged; CompletionLimited; FindingNo saved finding; Freshnessstale fallback · Sep 20, 2026
Browser protection: ResultNo browser threat-list match; CompletionCompleted; FindingNo adverse finding; FreshnessNot available
Page content: ResultPage content was not available for semantic review; CompletionLimited; FindingNo saved finding; FreshnessNot available
Visual evidence: Result1 visible observation saved with the page capture; CompletionCompleted; FindingNo adverse finding; FreshnessNot available
Independent research: Result1 independent finding were saved; CompletionCompleted; FindingAdverse; FreshnessNot available

06 · Your Next Move

Your next move

Verify before you trust

We couldn't gather enough signal for a confident verdict — tread carefully.

Find the company through independent channels
Search for the business on LinkedIn, an official registry (Companies House, OpenCorporates, SEC EDGAR), or via the brand's known social channels. If you can't trace a real entity, that itself is a red flag.
Never pay by crypto, gift card, or bank transfer
If the site forces an irreversible payment method, stop. Cards and PayPal give you chargeback protection — irreversible methods don't.
Ask the forum
Post the URL in the MalwareTips Scam Reports forum — experienced members often recognise patterns immediately.
Open

07 · Safety FAQ

Safety FAQ

Common questions, answered directly from the scan data above — so the answers reflect the saved verdict and evidence in this report.

Is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev a scam or is it safe?

pub-51eb37e6989f4c56a4bec891936924d3.r2.dev has a Safety Score of 75/100 (Low Risk). The saved checks found no material threat, but the report did not meet every requirement for the highest Safe tier. Use normal caution and independently verify the operator before irreversible payments or unusually sensitive actions.

Is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev safe to use?

pub-51eb37e6989f4c56a4bec891936924d3.r2.dev has a Safety Score of 75/100 (Low Risk). Analysis coverage is strong at 83%. Normal caution; verify sensitive actions.

Has pub-51eb37e6989f4c56a4bec891936924d3.r2.dev been flagged by antivirus engines?

No — all 91 antivirus and blocklist engines in our malware network currently report pub-51eb37e6989f4c56a4bec891936924d3.r2.dev as clean. That's a good sign, though antivirus coverage is only one of the many signals we weigh, and brand-new scam sites can appear clean before vendors catch up.

Is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev on any phishing or malware blacklists?

No — pub-51eb37e6989f4c56a4bec891936924d3.r2.dev is not currently on the major browser blocklist feeds that Chrome, Safari, Firefox, and Edge rely on. Note that blocklists can lag behind brand-new scam domains, so "not listed" is reassuring but not a guarantee on its own.

How old is the pub-51eb37e6989f4c56a4bec891936924d3.r2.dev domain?

pub-51eb37e6989f4c56a4bec891936924d3.r2.dev is an unknown age. A multi-year registration history is one of the stronger signals against a scam, though it's never a guarantee on its own — established domains can still be misused.

Does pub-51eb37e6989f4c56a4bec891936924d3.r2.dev have a valid SSL certificate?

Yes — pub-51eb37e6989f4c56a4bec891936924d3.r2.dev presents a valid TLSv1.3 certificate issued by Let's Encrypt · YE1, valid for another 76 days. Important caveat: SSL only encrypts the connection between you and the site — it does not verify who runs it. Almost all scam sites now have valid SSL too, so a padlock alone never means "safe".

Where is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev hosted?

pub-51eb37e6989f4c56a4bec891936924d3.r2.dev resolves to an IP operated by Cloudflare, Inc. in US (Content Delivery Network). Hosting location alone doesn't make a site good or bad — but hosting that doesn't match a brand's claimed country, or that sits on networks known for abuse, is one of the many signals we weigh alongside the verdict above.

How often is the pub-51eb37e6989f4c56a4bec891936924d3.r2.dev report updated?

This report is a record of the scan run on September 20, 2026, and the verdict reflects that point in time. Scam sites change fast — they can go live, get flagged, or vanish within days — so if you believe something about pub-51eb37e6989f4c56a4bec891936924d3.r2.dev has changed, MalwareTips staff can run a fresh scan that re-checks every signal from scratch and republishes an updated verdict.

08 · Final Verdict

Final verdict

The saved conclusion, decisive evidence, and practical action in one final view.

Verdict score

75/100

Low Risk

Inactive Cloudflare R2 storage bucket returns 404 error

Captured during this scan. Opening this report does not revisit the site.

Conclusion

Recommended actionThe URL is currently safe to visit as it returns only a 404 error with no malicious content. However, the subdomain format is known to be abused for phishing, so exercise caution if the page becomes active in the future.

Continue toCommunity

09 · Community

Community

First-hand experiences add human context after the scanner has reached its conclusion.

Is pub-51eb37e6989f4c56a4bec891936924d3.r2.dev safe?

Inactive Cloudflare R2 storage bucket returns 404 error

Infrastructure and Hosting Context

Current Security Assessment

Why the score is 75

What the captured page showed

What the site claims

What we observed

What independent research found

What remains unverified

Technical threat

Operator / customer risk

Verify before you trust

Find the company through independent channels

Never pay by crypto, gift card, or bank transfer

Ask the forum

Inactive Cloudflare R2 storage bucket returns 404 error

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