Free DDoS Protection Checker: Find Gaps Before an Attack Does
Scan your site in seconds to see whether basic DDoS protections are in place and get plain-English fixes for the gaps that could take you offline.
Free with a Brainito account. No credit card required.
example.com
ExampleDDoS Protection Checker: 2 warnings, 0 errors
- HTTPSEnforced
- robots.txtFound
- XML sitemap12 broken URLs
- Render-blocking scripts3 found
Example result with sample data. Yours uses live data for your inputs.
How it works
From your input to a prioritised list of fixes in under a minute.
- Step 1
Enter your details
Your website, business or the item you want checked. Nothing to install.
- Step 2
We run live checks
Brainito fetches live data and tests it against the rules that matter.
- Step 3
Fix what matters first
Clear results with what to fix, in order of impact, and where to go next.
What you get
What the result tells you, and why it is worth the minute it takes.
Spot Protection Gaps Fast
See in seconds whether a CDN, WAF, or rate limiting stands between your site and the next attack.
Fixes in Plain English
Every gap comes with a clear next step, so you know exactly what to set up and why it matters.
Protect Traffic and Revenue
Downtime costs rankings, trust, and sales. Close the gaps before an attack tests them for you.
The guide
What the ddos protection checker does, how to use it, and what to do with the result.
A DDoS protection checker inspects a domain to see whether it sits behind mitigation infrastructure such as a content delivery network, reverse proxy, or web application firewall. Distributed denial-of-service attacks try to overwhelm a site with traffic, and unprotected origins are exposed. This free DDoS protection checker reveals what stands between attackers and your server, so you know whether your defenses can absorb a flood or would buckle under it.
What the DDoS protection checker examines
This DDoS protection checker looks at the public signals that reveal how a domain is defended. It inspects DNS records and IP addresses to detect whether traffic routes through a known content delivery network or protection provider, checks response headers for proxy and firewall fingerprints, and notes whether your origin IP appears exposed. It also flags the presence of a web application firewall in front of the site. Together these checks show whether requests hit a hardened edge that can filter malicious floods, or land directly on an origin server with no layer of absorption in between.
How to read the results and close gaps
If the checker shows your traffic passing through a reputable CDN or protection provider, your site already benefits from rate limiting and traffic filtering at the edge. If it reveals an exposed origin IP with no proxy in front, that is your priority fix: route through a CDN or WAF and restrict the origin to accept traffic only from that layer. Add rate limiting and consider always-on mitigation for high-risk sites. Recheck after changes to confirm the origin is hidden. Treat any direct path to your server as an open door worth closing before an attack finds it.
Why DDoS protection matters for uptime
A single denial-of-service attack can knock a site offline for hours, and downtime costs sales, search visibility, and trust. When a page is unreachable, visitors leave, and repeated outages can drag on crawlability and rankings over time. Mitigation at the edge absorbs malicious traffic before it reaches your server, keeping the site available when it is targeted. Checking your protection is not a one-time task, since infrastructure and DNS settings drift. Verifying that a CDN or firewall genuinely shields your origin is a low-effort habit that protects both revenue and reputation against an attack you cannot schedule.
Frequently asked questions
Something else? Email support@brainito.com
What does the DDoS Protection Checker actually test?
It inspects public signals from your site, such as whether traffic routes through a CDN or protection service and how your server responds to requests, then flags gaps that commonly leave sites exposed to attacks.
Will the check slow down or harm my website?
No. The checker sends a small number of normal requests, the same kind a regular visitor would. It never floods your site or simulates an attack, so there is no risk to your uptime or performance.
Is the DDoS Protection Checker free?
Yes. In 2026 the checker is free to run once you create a Brainito account. You can scan your site as often as you like and recheck after every change to your setup.
Where to go from here
The ddos protection checker answers one question. These are the next ones worth asking.
Check your DDoS protection in seconds, before an outage does it for you
One account unlocks the ddos protection checker plus 320+ marketing tools, weekly audits and your action plan.
- Free with a Brainito account
- No credit card required