Grade B — 2 to fix, 2 minor.
passive scan · the deep checks need you signed in · scanned 3h ago
This is a passive website security report for nexguard.live, graded B (82/100). We checked its SSL certificate, HTTP security headers, DNS records, email spoofing protection and publicly exposed files — the same surface a browser and a search engine already see.
We found 4 issues on this scan — each has a plain-English explanation and a copy-paste fix below.
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Your site is served over HTTPS but doesn't send a Strict-Transport-Security header. Without it, the first visit (or a link typed as http://) can be intercepted and downgraded to plain HTTP before the redirect happens — a foothold for man-in-the-middle attacks on public Wi-Fi.
Your responses advertise the exact software you run (Server: nginx/1.27.5, X-Powered-By: Next.js). It's not a hole by itself, but it hands attackers a shortcut: they can look up known vulnerabilities for that precise version instead of probing blindly.
The domain nexguard.live publishes no DMARC record. DMARC is what tells receiving mail servers to reject or quarantine messages that fail your SPF/DKIM checks. Without it, an attacker can send phishing emails with a "From:" address at your domain and inboxes have no signal to distrust them — a favourite trick for invoice fraud and credential phishing.
nexguard.live publishes no CAA records. CAA tells the world which certificate authorities are allowed to issue HTTPS certificates for your domain. Without it, any CA can be persuaded to issue a cert for your domain, which widens the door to mis-issuance.
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