Data Query Service (DQS)

Real-Time DNS Blocklists

Free access to Spamhaus’ DNS Blocklists via DQS for 30 days. No credit card or payment details required.

During this trial, you will have access to all our blocklists. These lists are designed to protect you and your organization from a variety of incoming and/or outgoing email threats. Set up is straightforward, using your existing email infrastructure - no extra hardware needed.

Complete the form below to register your interest and start a 30 day free trial.

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Please confirm that you are currently running your own email server *

MICROSOFT USERS - READ THIS BEFORE SUBMITTING. To ensure you receive a verification email, either
1. Correctly configure your MTA to accept error codes using these Configuration Guides, or
2. Remove the existing Spamhaus Project DNSBL configuration from your MTA. Thank you.

Spamhaus is committed to protecting and respecting your privacy, and we’ll only use your personal information to administer your account and to provide the products and services you requested from us. From time to time, we would like to contact you about our products and services, as well as other security related content that may be of interest to you.

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You can unsubscribe from these communications at any time. For more information on how to unsubscribe, our privacy practices, and how we are committed to protecting and respecting your privacy, please review our Privacy Policy.

By clicking submit below, you consent to allow Spamhaus and its Preferred Partners to store and process the personal information submitted above to provide you the content requested. In addition, you agree to receive technical and sales information related to your account with Spamhaus and its preferred partners.