Have you been blocked?
All blocklists are researched and managed by The Spamhaus Project.
Simply click on the link below, which will take you to the Project’s IP and Domain Reputation Checker. From here you will be able to enter your IP or Domain and begin your request for removal.
Please note that the Project’s IP and Domain Reputation Checker is the only place where removals are handled.
IT and security teams consistently face multiple business challenges. Discover how our solutions can help overcome some of those issues.
From processing issues, to email-borne threats our blocklists easily integrate with your current email set-up to improve anti-spam & anti-virus email filtering.
Employ our threat intelligence to increase visibility across security events, reveal potential weaknesses in your network, and threats to your brand.
Stay on top of the latest threats and proactively combat botnet infections, and other forms of abuse, with our solutions.
From clicking on phishing emails to visiting malware dropper sites, our threat intelligence provides automatic protection for your users.
Our products provide additional layers of security for networks and email. They also present security teams with additional insight into malicious behavior.
Border Gateway Protocol (BGP)
Block the worst of the worst at your network edge, taking advantage of your existing BGP-capable routers. Configuration only takes minutes.
Data Query Service (DQS)
Benefit from industry-leading real time blocklists. These DNSBLs easily plug into your existing email infrastructure to block spam and other email threats.
A powerful research tool to investigate relationships between internet infrastructures. Quickly pivot to new areas of concern to rapidly investigate potential threats.
Immediately block connections to dangerous sites, including phishing and malware dropper websites. A “˜set and forget’ solution.
Spamhaus Intelligence API
Threat intelligence data in API format to enable users to easily integrate metadata relating to threats with their own applications, programs, and products.
A wide range of datasets, providing multiple layers of protection. They can be plugged directly into your existing hardware, making them an affordable choice.
Border Gateway Protocol (BGP) Feeds
Do Not Route Or Peer (DROP) and Botnet Controller List (BCL) datafeeds can peer with your existing BGP-capable router.
Domain (DBL), Zero Reputation (ZRD) and Hash blocklists (HBL) enable you to block content in emails, filtering out a higher rate of email-borne threats.
Data for Investigation
Passive DNS and extended datasets give you additional information on internet resources. They provide deeper insights into incidents and possible threats.
DNS Firewall Threat Feeds
A wide range of feeds to apply to your DNS recursive server. Choose the right level of protection for your organization.
Spam (SBL), Policy (PBL), Exploits (XBL) and Auth (AuthBL) blocklists allow you to filter email from IPs associated with spam, botnets, and other threats.
Find out more about us.
Learn more about Spamhaus; who we are, and what we do.
Find out who we work with and how you can become a Spamhaus Partner.
Discover a wide range of blog posts, case studies and reports.
Commonly asked questions about Spamhaus products and processes.
In depth information about the technical details and implementation of our products.
This API provides you with easy access to metadata relating to compromised IP addresses.
Spamhaus Intelligence API (SIA) contains enhanced IP reputation data that integrates with your applications. This provides you with increased visibility on where issues have occurred and accelerates reporting.
In this easy-to-consume format, SIA can be used for incident response, online real time risk assessment, monitoring trends and more.
The Spamhaus Intelligence API (SIA) is an API that allows you to easily access our IP reputation datasets for integration into your existing infrastructure, including threat intelligence platforms, websites, analysis and reporting mechanisms.
Anyone who needs to provide context around compromised IP addresses can use SIA.
Visit our technical documentation for access details and additional technical information regarding SIA.
Based on the number of queries per month and second, prices start at $5,000 per year. Contact our sales team for further details.
Developers wishing to take the time to explore, build and test with the data can sign-up for free access to SIA via our Developer License, with up to 5,000 queries per month.
SIA provides access to live and historical metadata relating to IP addresses that are exhibiting compromised behavior. All these IPs are listed on the Spamhaus eXploits Blocklist. The following indicates the size of the dataset:
Our research team list IP addresses on this dataset if they are showing indications of:
Every IP address has various metadata relating to it, including bot names, first seen date, and valid until date.
Datasets to reduce investigation times and provide additional insights for security professionals. These include enhanced eXploits blocklist and Passive DNS data.
Get a free 30 day trial of the Spamhaus Intelligence API. No credit card details required.
23 March 2021
We're aware that it can take time to find the right use case and build the right application to meet its needs. So, we've created a license to give developers access to the data without the 30-day time limit attached to a trial. The developer license runs for six-month periods.
Global cybersecurity software company, Red Sift, use the Spamhaus Intelligence API to free up time for their customers while providing important insight on why an IP is blocked.
Explore. Build. Test. Solve. This is your opportunity to experiment with our data and see what challenges it can help you resolve.