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:August 5, 2025 23:40:45
Target URL:https://rjf37.com
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Page Information
Target URL
https://rjf37.com
Page Title
rjf37.com | 520: Web server is returning an unknown error
Status
Active
Host Information
Domain
rjf37.com
Server
cloudflare
Country
United States
IP Address
104.21.32.1
ASN Information
13335
CLOUDFLARENET
Technologies
Cloudflare
CDN
HTTP/3
Miscellaneous
SSL Certificate
HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2025-08-04 23:40:49
Valid Until
2026-08-05 23:40:49
Subject Name
rjf37.com
Performance Statistics
9
Total Requests
1
Domains
1
IP Addresses
26.73 KB
Transfer Size
Content Size27.02 KB
HTTP Headers
CF-RAY
96aa244d5b0614af-QRO
Cache-Control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection
keep-alive
Content-Length
7190
Content-Type
text/html; charset=UTF-8
Date
Tue, 05 Aug 2025 23:40:50 GMT
Expires
Thu, 01 Jan 1970 00:00:01 GMT
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Referrer-Policy
same-origin
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=%2BeriPu3Fx2%2Fw9PGNYWrlIY8LyzDLM%2B%2BjVHvuCzjJz3pq1dK1KFdbQOrVq8Lx7tZuQejJY7GC7GrLrhT4iArkX3V660XOV1ofrl1oJICLgq77f%2BkbxnazMPUwnlg%3D"}],"group":"cf-nel","max_age":604800}
Server
cloudflare
Server-Timing
cfOrigin;dur=0,cfEdge;dur=606
X-Frame-Options
SAMEORIGIN
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=TCP&rtt=0&min_rtt=0&rtt_var=0&sent=0&recv=0&lost=0&retrans=0&sent_bytes=0&recv_bytes=0&delivery_rate=0&cwnd=0&unsent_bytes=0&cid=06f9ae09485f0d04&ts=614&x=0"
speculation-rules
"/cdn-cgi/speculation"
16 headers detected
Technology Stack Analysis
Cloudflare
CDN
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
HTTP/3
Miscellaneous
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
External Links 1
Additional troubleshooting resources
developers.cloudflare.com
Target URL
https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/
Requested Domains 1
rjf37.com
Apex domain
No category information available