DNS toolbox

Inspect DNS from your browser.

Resolve records, compare propagation, check DNSSEC, reverse PTR, RDAP, mail health, discovery, and save readable snapshots.

Choose a tool

DNS lookup

Run a query above and results will appear here.

JSON API

The browser panels use these endpoints; automation can call them directly.

GET /api/v1/lookup?name=example.com&type=MX
GET /api/v1/propagation?name=example.com&type=A
GET /api/v1/dnssec?name=example.com
GET /api/v1/reverse?ip=1.1.1.1
GET /api/v1/rdap?q=example.com
GET /api/v1/mail?domain=example.com
GET /api/v1/discover?domain=example.com

API docs

Propagation

Compare resolver agreement without reading raw JSON.

Mail health

Readable MX, SPF, DMARC, and DKIM checks.

RDAP / WHOIS

Registrar, statuses, lifecycle dates, and nameservers.