report

Domain Reputation Update April - September 2026

57.1 million new domains registered (+21.8%), with China’s .cn (+77%) and .com.cn (+515%) responsible for much of the growth. Malicious and suspicious domain listings rose +56.6% to 3.37 million, hitting 1.15 million in September, our highest month on record! The culprit? Find out in the latest report - read it here.

by The Spamhaus TeamOctober 15, 20261 minutes reading time

Domain reputation

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Domain Reputation Update Oct 2025 - Mar 2026

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New Feature | Spamhaus Reputation Checker: Troubleshoot your listing

It’s not always immediately clear why your IP has been listed or how to fix it. To help, we’ve added a new “troubleshooting” step to the IP & Domain Reputation Checker, specifically for those whose IPs have been listed on the Combined Spam Sources (CSS) Blocklist - IPs associated with low-reputation email. Learn how you can diagnose the issue using this new feature.

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News • December 17, 2025 • The Spamhaus Team

Domain Reputation Update April - September 2025

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