buttondown.com
104.21.79.144AS13335 · US- Network & Hostingclean
- Threat Intelligenceclean
- Browser Analysisclean
- Content Inspectionclean
- Related Infrastructureclean
- TLS Fingerprintunknown
- Domain Intelligenceunknown
Looks safe
AutomatedOur automated checks did not find known threat signals on this site at the time of the scan.
What to do
No action needed. Stay alert as usual — a clean result reflects this scan only, and sites can change after they are checked.
A clean result means no known threat signals were found in this scan — it is not an absolute guarantee, and a site can change after it is checked.
Findings
Strongest firstThe page presents itself as a known brand (brand keywords/branding detected).
Analyst noteLow/medium confidence (keyword only) — can be a news article or partner page. Corroborate before acting.
The page dynamically injected scripts from other domains. This is extremely common on legitimate sites (CDNs, analytics, asset domains) and is shown for context only.
Analyst noteNoisy by itself — a CDN/asset domain (e.g. a brand's own *.githubassets.com) is normal. Only meaningful if the source domain is unrelated/suspicious.
Infrastructure
- IP
- 104.21.79.144CLOUDFLARENET - Cloudflare, Inc., US · AS13335US
- TLS
- CN=WE1, O=Google Trust Services, C=US · expires Oct 20, 2026
WHOIS
- Registrar
- Cloudflare, Inc.
- Created
- Jul 9, 2004
- Expires
- Jul 9, 2027
- Nameservers
- joan.ns.cloudflare.commoura.ns.cloudflare.com
Hashes & fingerprints
Page capture
LiveTitle “Buttondown — Newsletter software for people like you” · brand shown: Meta (low)
Engines
7 · time to verdictPage
- HTTP
- 200 · Completed
- Title
- Buttondown — Newsletter software for people like you
- Load
- 4.34 s · 66 requests