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 Blocklist Removal Center. From here you will be able to enter your IP or Domain and begin your request for removal.
Please note that the Project’s Blocklist Removal Center 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.
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.
Posted by The Spamhaus Team on 27 May 2019
Spamhaus is delighted to announce the latest release of our Passive DNS service. This is a simple to use, effective and fast investigation tool, available via a Web Interface or API. With all the expected features of Passive DNS, including ‘Forward’ & ‘Reverse’ searches, we also have unique features including ‘Fuzzy’ search and International Domain Name (IDN) support. Want to find out more?…
Security Professionals, Malware Researchers, Brand Protection Specialists, Penetration Testers, among others.
Spamhaus’ Passive DNS speeds up cyber research and investigations, providing you with increased visibility across the internet. By simply entering a single domain name or IP address, in addition to specific search parameters, you can quickly pivot to new areas of potential ‘badness,’ viewing real-time & historic Passive DNS data.
Watch out for our’ How to Use’ videos over the coming weeks to get a deeper understanding of how you can utilize this tool.
As with most Passive DNS tools, it is possible to run the following basic searches:
There are also a multitude of filters you can utilize to fine tune your search. In addition to the basic date and ‘Record Type’ filters, e.g., ‘A’ or ‘CNAME,’ we have several filters that are unique to Spamhaus: Word Search, Left Match, Fuzzy Search & IDN Support. Here’s a brief overview of some of the filters you can apply when running a query:
Spamhaus leverages Passive DNS data from The Spamhaus Project who have been providing threat intelligence to the industry for over 20 years. We also collect the data from trusted third parties across the globe. For a more in-depth look at Passive DNS data, click here.
If you have low usage requirements or are wanting to trial the product, you can get 200 queries per month for free (no credit card details requested). Should you require a more substantial plan, we won’t tie you into a contract; instead, we give you the flexibility to change your plan monthly to meet your ever-changing business requirements.
Register for your free account click here.
Our Passive DNS allows you to quickly and easily navigate through billions of DNS records to shine a spotlight on potentially malicious internet resources associated with your network or domain.
17 September 2018
Spamhaus launches its Passive DNS tool at GovWare 2018 in Singapore.
13 August 2018
Passive DNS has the potential to assist various IT security roles, including Penetration Testers. Discover how this tool can help your investigations.
Understand how Passive DNS is changing the way Security and Marketing professionals operate when it comes to identifying cyber threats and fraud.