RECON by Check your DNS records before they go live.
Paste records or a zone file. Tell us which email provider and website host you use, and you'll get a clear report on what's broken, what's risky, and the exact records you need. Free checks run entirely in your browser.
Zone files, CSV/JSON exports (Cloudflare, Route 53…) and rows copied from your DNS panel all work. You can also drop a .txt / .zone / .csv file here.
or click to browse, or paste with ⌘V / Ctrl+V
RECON+: AI reads the records from up to 4 screenshots (1 credit per check). Make sure long TXT values aren't cut off with "…".
Your whole domain in one report: DNS, email and website.
RECON website checks are coming soon. They add your site's security headers, HTTPS and certificate health, and domain expiry to the same report and the same A–F grade as your DNS.
RECON Free
RECON+ Verified domains
Moving DNS hosts? Check nothing gets lost.
Paste (or screenshot) the records from your old DNS host and your new one. You'll see every record that's missing or changed, DNSSEC and proxy gotchas, and a full check of the new zone, before you switch nameservers.
Get an email when your DNS changes or breaks.
We check each domain's live DNS every day against the full rule set and your provider setup. If a record changes or a new problem appears, you get an email.
Your monitored domains
Free for everyday checks. RECON+ when you need more.
The full rule engine is free forever and runs in your browser. RECON+ adds the things that save professionals real time.
Payments are handled by Stripe. Cancel any time from the billing portal. Credits never expire.
Sign in with email
We'll email you a one-time sign-in link. Use the address you paid with.
Use a licence key
You got a key after checkout. It starts with zi_.
Your domains
Prove you own a domain by adding one DNS record. Verified domains can use RECON+ monitoring and, soon, RECON+ website checks.
PDF report branding
Shown on branded PDF reports. Saved in this browser only.