Grade C — 3 to fix, 3 minor.
passive scan · the deep checks need you signed in · scanned 3h ago
This is a passive website security report for ditto.site, graded C (73/100). 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 6 issues on this scan — each has a plain-English explanation and a copy-paste fix below.
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There's no Content-Security-Policy header. A CSP is the single most effective defense against cross-site scripting (XSS): it tells the browser which sources of scripts, styles, and other content are allowed, so an injected <script> from a compromised dependency or a reflected input simply won't run.
Nothing stops your site from being embedded in an <iframe> on another domain. An attacker can overlay an invisible frame of your app on their page and trick a logged-in user into clicking buttons they can't see — a clickjacking attack.
Without `X-Content-Type-Options: nosniff`, browsers may guess ("sniff") the type of a response and, for example, run an uploaded file as JavaScript. It's a one-line header that closes a whole class of content-type confusion bugs.
The domain ditto.site publishes no SPF record. SPF is the DNS record that lists which mail servers are allowed to send email as your domain. Without it, spam filters have no way to tell your real mail from a forgery, and messages you do send are more likely to land in spam.
The DMARC record on ditto.site uses p=none, which only reports spoofing — it doesn't stop it. Forged mail claiming to be from your domain is still delivered.
ditto.site 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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