83721-cb[.]com
“Coinbase”
Résumé des preuves
The domain 83721-cb.com was registered on February 28, 2026 through NameSilo, LLC and immediately began serving a crypto‑related impersonation campaign targeting Coinbase users. The site’s HTML title is reported as "Coinbase", confirming a deliberate brand‑impersonation tactic. Infrastructure analysis shows the domain resolves to the IP address 172.67.149.196, which belongs to Cloudflare, Inc. (AS13335) and is therefore hosted behind a CDN edge network. The domain uses Cloudflare’s default nameservers (justin.ns.cloudflare.com and tia.ns.cloudflare.com) but does not present an SSL/TLS certificate, leaving the connection unencrypted.
No HTTPS endpoint was observed before the site was taken offline. Reputation checks indicate that 83721-cb.com is listed on three independent security blocklists and has been flagged by 17 of 93 vendors on VirusTotal, suggesting a moderate to high confidence of malicious intent. The site is currently reported as offline, which limits further content analysis; no page screenshots or HTML samples are available.
Defensive services have already taken action: PhishDestroy, MetaMask, and SEAL have each blocked the domain. Given the confirmed brand impersonation, the presence on multiple blocklists, and the detection rate on VirusTotal, security teams should continue to enforce deny‑list rules for the domain, monitor the associated IP range for any re‑activation, and consider adding the IP address to network‑level block policies. Continuous observation of Cloudflare‑originated traffic for similar patterns is advised, as threat actors often recycle CDN infrastructure for new campaigns.
Instantané des preuves transmises
- Envoyé
- Entrées du registre
- 1
- ID du dossier
PD-20260228-D5CCD4- Titre de la page capturée
- Coinbase
- Artefact PDF
- Preuve PDF
Fondement juridique
Texte intégral des preuves
Illegal Activities: Active phishing operation targeting victims
Fraud & Deception: Impersonation of legitimate services
Identity Theft: Collection of credentials under false pretenses
Applicable Laws (US):
18 U.S.C. § 1343 - Wire Fraud
18 U.S.C. § 1030 - Computer Fraud and Abuse Act (CFAA)
15 U.S.C. § 45 - FTC Act (Deceptive Practices)
Federal laws prohibit wire fraud, computer fraud, and deceptive business practices.
Action Required: This evidence-backed report demonstrates clear violations requiring suspension per your policies. Continued hosting exposes your organization to regulatory scrutiny and potential legal liability.
Data Coverage
Renseignements sur la sécurité réseau
| Detection System | Indicator | Verdict | Alert |
|---|---|---|---|
| Hagezi Threat Feed | 83721-cb.com |
malicious | Sinkholed |
| OpenDNS | 83721-cb.com |
phishing | Phishing Block |
| Cloudflare DNS | 83721-cb.com |
malicious | Sinkholed |
| DigiCert UltraDNS | 83721-cb.com |
malicious | Sinkholed |
| DNS4EU | 83721-cb.com |
malicious | Sinkholed |
| DNS4EU | api.83721-cb.com |
malicious | Sinkholed |
| Cloudflare DNS | api.83721-cb.com |
malicious | Sinkholed |
| Hagezi Threat Feed | api.83721-cb.com |
malicious | Sinkholed |
| DigiCert UltraDNS | api.83721-cb.com |
malicious | Sinkholed |
| OpenDNS | api.83721-cb.com |
phishing | Phishing Block |
Processus de réponse aux menaces Pipeline
Couverture des listes de blocage
10 sources externes surveillées · instantané du 12/08/2026
8 sources externes surveillées Aucune correspondance
Chronologie de détection
-
Cloudflare Radar
Analyse Cloudflare Radar enregistrée · Ouvrir l’analyse
-
État du domaine
Accessible → Inaccessible
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Cloudflare Radar
Analyse Cloudflare Radar enregistrée · Ouvrir l’analyse
Capture enregistrée
Informations sur les domaines
Détails techniquesDNS, noms TLS et horodatages
ICANN OVERSIGHT
Contexte de l’accréditation et du RAA
Contexte de l’accréditation et du RAA
Registrar accreditation and DNS abuse obligations
For this gTLD, the registrar above operates under an ICANN accreditation agreement. The links below provide the official fee schedule and current DNS abuse compliance guidance.
Accreditation is a contract, not a safety certification.
RAA §3.18 establishes abuse-contact and handling requirements. This report can document stored outbound notices and later technical observations; it does not by itself establish receipt, investigation, remediation, or contractual non-compliance.
Analyse VirusTotal
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