No Security Risks Detected
This domain appears to be safe and secure
100%
Score
Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.
Scan Information
Last checked:April 11, 2026 12:08:06
Target URL:https://protagonistapp.com
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Page Information
Target URL
https://protagonistapp.com
Page Title
Protagonist
Site FaviconStatus
Active
Host Information
Domain
protagonistapp.com
Server
Vercel
Country
United States
IP Address
216.198.79.65
ASN Information
16509
AMAZON-02
Technologies
Vercel
PaaS
HSTS
Security
SSL Certificate
HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2026-04-10 12:08:10
Valid Until
2027-04-11 12:08:10
Subject Name
protagonistapp.com
Performance Statistics
53
Total Requests
3
Domains
3
IP Addresses
8.47 MB
Transfer Size
Content Size9.13 MB
HTTP Headers
Access-Control-Allow-Origin
*
Age
21624
Cache-Control
public, max-age=0, must-revalidate
Content-Disposition
inline
Content-Encoding
br
Content-Security-Policy
default-src 'self'; script-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://va.vercel-scripts.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https:; connect-src 'self' https://api.anthropic.com https://*.firebaseio.com https://firestore.googleapis.com https://va.vercel-scripts.com; frame-ancestors 'none';
Content-Type
text/html; charset=utf-8
Date
Sat, 11 Apr 2026 12:08:10 GMT
Etag
W/"529245c7509eddcd73c33801d89efa24"
Last-Modified
Sat, 11 Apr 2026 06:07:45 GMT
Permissions-Policy
camera=(), microphone=(), geolocation=()
Referrer-Policy
strict-origin-when-cross-origin
Server
Vercel
Strict-Transport-Security
max-age=63072000
Transfer-Encoding
chunked
X-Content-Type-Options
nosniff
X-Frame-Options
DENY
X-Vercel-Cache
HIT
X-Vercel-Id
pdx1::4r8tn-1775909290504-656c85a6e35d
19 headers detected
Technology Stack Analysis
Vercel
PaaS
Vercel is a cloud platform for static frontends and serverless functions.
HSTS
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
External Links 2
Requested Domains 3
fonts.googleapis.com
Unknown Type
No category information available
fonts.gstatic.com
Unknown Type
No category information available
protagonistapp.com
Apex domain
No category information available