Protect users and shared IP infrastructure: Proactively scan outbound emails for malicious or suspicious URLs and email addresses to prevent the spread of harmful content and protect both your senders and network reputation.
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Email & Network
Cyber Threat Intelligence
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About
Email
Compliance
Minimize risk, protect users, and maintain a clean, compliant email-sending environment with trusted data and expert insights from Spamhaus.
Business
benefits
With actionable insights from binary data - covering IPs, domains, and other internet resources - email services, cloud infrastructure, and hosting providers can ensure outbound email compliance and protect their sending reputation and infrastructure.
Go beyond yes-or-no answers with rich context and insight into how and why reputation is changing, to detect potential issues early and maintain a clean, compliant network.
Quickly identify reputation issues and signs of malicious activity: Monitor IP and domain reputation with additional context for validation and diagnosis.
Stay compliant with early warning signals: Real-time reputation signals that help teams identify and resolve issues before they impact compliance or deliverability.
Email compliance
Access the data
From binary DNSBL data to enriched threat context and expert consultancy — everything you need to keep your email infrastructure secure and compliant.
Data access
Consultancy
Data access
Data access
Consultancy
Real-time DNS Blocklists
Query real-time DNS blocklists, covering IPs, domains and hashes (including malware files, cryptowallets, email addresses and URLs) to protect your email infrastructure, wider network and users.
Available Formats
DNSBL
Intelligence API
Integrate context-rich metadata relating to IP and domain reputation to enhance existing data feeds, or consume as an independent data source. Gain additional intelligence to monitor, assess and remediate as required.
Available Formats
JSON
DNS Blocklists via HTTPS
Access our DNS blocklist data using a simple API as a quick method to determine whether internet resources have good or bad reputation to support a variety of use cases. This can be supplemented with other, context-rich, datasets.
Available Formats
JSON
Spamhaus Consultancy
Data-driven consultancy to help networks prevent and resolve email-related challenges. By utilizing our unique internal databases against specific behavior patterns, we provide tailored, data-driven reports and actionable 1:1 advice.
Email compliance
Related solutions
Looking for more? Enhance protection with these related email and network solutions.
Email Protection
Block more than 99% of spam and other email-related threats including malware, ransomware, phishing emails, and more.
DNS Protection
Automatically block malicious activity at the DNS level, to safeguard your network and users against a variety of online threats.
Edge Protection
Automatic protection at your network edge. Block connections from known malicious IPs, including hijacked networks and botnet C2s.
There are a lot of blocklists out there but the only one that’s ever been super trustworthy has been Spamhaus.
Tara Natanson
Manager of ISP Relations, Constant Contact
Featured Case Study
Constant Contact keeps outbound email safe with Spamhaus’ domain data
5 min read | May 12, 2022
Email software provider, Constant Contact, has a duty of care to their customers and email recipients alike to prevent malicious behavior via outbound email. See how they’re using our domain data to tackle this.
Featured content
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