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SPF & DMARC Checker
Find out if scammers can send email as your domain
Type your domain and see in seconds whether anyone can send email pretending to be you, and exactly what to fix. • Checks SPF (including the 10-lookup limit) and DMARC (RFC 9989) • Plain-English results, not raw DNS output • Knows 30+ senders: Google Workspace, Microsoft 365, Zoho, Mailchimp, HubSpot and more • Companion generator builds safe SPF + DMARC records to copy into your DNS • Runs in your browser: no sign-up, nothing stored
Hey Product Hunt 👋 I'm Ahsan, lead engineer at ZNova Studio.
Why we built this: while setting up email for our own studio, we kept running into small businesses whose domains could be spoofed by anyone. No DMARC, or an SPF record that silently breaks because it goes over the 10-lookup limit. The existing checkers dump raw DNS output and assume you already know what "~all" or "p=none" means.
So we built one that answers the real question, "can someone send email as my business?", in plain English, and tells you the exact fix.
What it does: 🔍 Checker: looks up your mail servers, SPF and DMARC, counts SPF lookups recursively, and explains every finding 🛠️ Generator: answer a few questions about who sends your email (Google Workspace, Microsoft 365, Mailchimp, HubSpot, 30+ more) and copy two ready records. Defaults are safe: nothing gets blocked until you choose to block it 🔒 Private: lookups run in your browser through Cloudflare's public DNS. We never see what you check
It's free with no sign-up, and it'll stay that way.
About SPF & DMARC Checker on Product Hunt
“Find out if scammers can send email as your domain”
SPF & DMARC Checker was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #240 on the daily leaderboard. Type your domain and see in seconds whether anyone can send email pretending to be you, and exactly what to fix. • Checks SPF (including the 10-lookup limit) and DMARC (RFC 9989) • Plain-English results, not raw DNS output • Knows 30+ senders: Google Workspace, Microsoft 365, Zoho, Mailchimp, HubSpot and more • Companion generator builds safe SPF + DMARC records to copy into your DNS • Runs in your browser: no sign-up, nothing stored
On the analytics side, SPF & DMARC Checker competes within Email, Privacy and Developer Tools — topics that collectively have 569.8k followers on Product Hunt. The dashboard above tracks how SPF & DMARC Checker performed against the three products that launched closest to it on the same day.
Who hunted SPF & DMARC Checker?
SPF & DMARC Checker was hunted by Ahsan Nadeem. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SPF & DMARC Checker including community comment highlights and product details, visit the product overview.
Ahsan Nadeem
Hey Product Hunt 👋 I'm Ahsan, lead engineer at ZNova Studio.
Why we built this: while setting up email for our own studio, we kept running into small businesses whose domains could be spoofed by anyone. No DMARC, or an SPF record that silently breaks because it goes over the 10-lookup limit. The existing checkers dump raw DNS output and assume you already know what "~all" or "p=none" means.
So we built one that answers the real question, "can someone send email as my business?", in plain English, and tells you the exact fix.
What it does:
🔍 Checker: looks up your mail servers, SPF and DMARC, counts SPF lookups recursively, and explains every finding
🛠️ Generator: answer a few questions about who sends your email (Google Workspace, Microsoft 365, Mailchimp, HubSpot, 30+ more) and copy two ready records. Defaults are safe: nothing gets blocked until you choose to block it
🔒 Private: lookups run in your browser through Cloudflare's public DNS. We never see what you check
It's free with no sign-up, and it'll stay that way.