Get FREE access for 30 days to Spamhaus’s Passive DNS Web Interface.

This powerful investigation tool is used by security, research, and brand specialists across the globe.  It will help you speed up incident investigations and verify potential threats.

Our plans and payment terms are flexible, to suit your changing data requirements. Changes to plans can be made on a monthly or annual basis from our Customer Portal.

When you sign up for a free Passive DNS account you will have immediate access to all of the advanced features included under our PRO level plan, free for 30 days. If you only want to use Passive DNS for a few queries per month you can sign up for our Basic plan free of charge.

No credit card or payment details are required.

If you choose not to purchase a subscription, after 30 days, you will revert back to a free Basic Account.

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