Phishing detection: dev.uspsstampstogo.com
USPS Investigate
Domain
dev.uspsstampstogo.com5 CT hosts on apex
IP
18.218.239.99
URL
https://dev.uspsstampstogo.com
Cert
YR1
Phishunt analysis Beta
30
low suspicionheuristic risk score · not a probability
Why?
- +5.3 Keyword match
- +5.1 Site cluster
- +4.5 Brand in title
- +3.7 Brand in domain label
- +3.0 OpenPhish
- +1.7 Shared IP cluster
- +1.1 Cert reuse
- +1.1 No CSP header
- +0.8 ASN reputation
- +0.7 Brand in cert SAN
- +0.7 Unrecognised DNS provider
- +0.6 Login text in screenshot
- +0.5 Young certificate
- +0.5 Long domain
- +0.3 Free CA
- +0.2 Suspicious TLD
- +0.1 Deep subdomain
20 signals fired · detector v3.0.0
AI analysis AIBeta
Fake shop
A dev subdomain of a USPS-impersonating stamp-sales site, sharing the same Amazon AWS infrastructure and OpenPhish-confirmed malicious classification. Likely a staging variant of the same fake shop targeting postal customers seeking to purchase stamps.
Brand in domain labelOpenPhishKeyword match
AI-generated from stored detector signals - the AI never visited the site. · 2026-09-11 · confidence 76%
Domain & Network
Whois
Registrar
Network Solutions, LLC
Network
Country
United States
Hosting
Amazon.com, Inc.
ASN
AS16509
TLS Cert
YR1
External detection
OpenPhish
CleanGoogle Safe Browsing · PhishTank · TweetFeed · urlscan.io
Requests
Resources
Observables
Related websites
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Whois
ipinfo
Greynoise