Supporting researchers: How Passive DNS enabled a study into abuse of newly registered domains for phishing

19 March 2025

Blog

We’re proud to support a global community of researchers, including Dr. Marie Vasek and Ph.D. Candidate Sharad Agarwal, at the University College London. In support of their research on the large-scale abuse of newly registered domains for phishing, we provided them with access to Spamhaus’ Passive DNS. Read on to learn how they used the tool and their findings.



Spamhaus Customer Portal Updates

6 May 2025

News

Further to a systems upgrade on May 20th, regular users of the Spamhaus Customer Portal will notice some minor changes to the user interface, notably for those who use the Data Query Service. Read on for more details.

Spamhaus Domain Reputation Update, Oct 2024 – Mar 2025

10 April 2025

Report

Find the latest insights from Spamhaus Project researchers into domain abuse and trends with newly observed domains, in the Spamhaus Domain Reputation Update, Oct 2024 - Mar 2025.

Supporting researchers: How Passive DNS enabled a study into abuse of newly registered domains for phishing

19 March 2025

Blog

We’re proud to support a global community of researchers, including Dr. Marie Vasek and Ph.D. Candidate Sharad Agarwal, at the University College London. In support of their research on the large-scale abuse of newly registered domains for phishing, we provided them with access to Spamhaus’ Passive DNS. Read on to learn how they used the tool and their findings.

If you query the Spamhaus Project’s legacy DNSBLs via Microsoft, move to the FREE Data Query Service

11 March 2025

News

If your email infrastructure relies on Microsoft’s network and you’re using The Spamhaus Project’s free legacy DNS Blocklists (DNSBLs) through the Public Mirrors, it’s time to make an important update. To ensure continued protection and prevent potential email disruptions, you should transition to the free Data Query Service (DQS) before April 9, 2025.

cyber_Folks protect customers and network with Spamhaus’ enhanced email protection

19 February 2025

Case Study

By integrating Spamhaus’s real-time blocklists and enabling the sharing of basic email connection data, Polish-based hosting provider, cyber_Folks, has achieved an enhanced, targeted email protection for its customers. Read on to learn more.

Gain insight and increase internet safety: sharing cache miss data

5 February 2025

Blog

Behind every resolved domain lies a hidden treasure trove of insight - cache miss data. Learn how organisations like your own are sharing cache miss data with Spamhaus to make a difference.

Sharing SMTP data: Your data, better protection

15 January 2025

Blog

Sharing basic SMTP connection data (no personally identifiable information (PII) included) with Spamhaus provides a unique opportunity to detect patterns of malicious or suspicious activity, enhancing your own protection. Read the article to learn more.

Spamhaus Botnet Threat Update, July to December 2024

13 January 2025

Report

Botnet C&C activity decreased marginally by -4% between July and December last year. China dominates the Top 20 charts with increased botnet C&C activity across domain registrars and networks, ranking #1 globally for hosting botnet C&C servers. Read the full report.

Email in 2025 Featuring Melinda Plemel, Spamhaus (SocketLabs)

9 December 2024

Blog

In 2023, SocketLabs asked Spamhaus Technology's Melinda Plemel, for her thoughts on the future of Email in 2025. What did Mel hope or wish to see change within email by 2025? Find out if Mel's predictions aligned with reality here.