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If supported, use Install. On Android and desktop, look for Install app in the browser menu. On iPhone/iPad, use Safari → Share → Add to Home Screen. Menu names can vary by browser.

DNS Lookup

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Look up A, AAAA, MX, TXT and other public DNS records.

All tools are free to use. File size and processing limits may vary by tool.

How to use

Look up A, AAAA, MX, TXT and other public DNS records. Choose your input, adjust the options and start processing.

How are files processed?

Browser tools keep files on your device. Advanced document tools upload files for temporary server processing; the tool shows this before upload. Web lookups send queries to the server and public lookup services.

Practical guide

DNS Lookup: Read Domain Records

When company emails stop arriving, DNS records may hold the cause. This tool queries A, MX, and TXT records server-side. MX shows mail routing, TXT shows verification. Query only your own or public domains.

Read the guide →

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