Question 1

Do I need to sign up to use Whois Lookup?

Accepted Answer

No. All Tools Ku features are free with no registration.

Question 2

Does Whois Lookup upload my data?

Accepted Answer

No. Processing happens in your browser; data is not uploaded to toolsku.com.

Question 3

Requests sent?

Accepted Answer

Parse-only tools: no; simulators may—see page.

Question 4

DNS/Whois source?

Accepted Answer

Public APIs as documented.

Question 5

Does it work on mobile?

Accepted Answer

Yes. For large files, use Wi-Fi for a smoother experience.

Question 6

Can I download the result?

Accepted Answer

Yes. Copy text output or use the download button when available.