DNS Lookup Tool

Check DNS records for any domain including A, MX, CNAME, TXT, and NS records. The DNS Lookup Tool is one of 900+ free developer tools on Toolblip - all open to use without a signup.

Open the DNS Lookup Tool on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.

Yes. The DNS Lookup Tool is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.

Yes. The DNS Lookup Tool processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.

Only where the task requires it (for example, looking up a DNS record). The interface and any parsing happen in your browser, and Toolblip doesn't log the queries you make.

Once the page has loaded, the DNS Lookup Tool continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.