Community contributions - sharing intelligence brings change
Make a difference! Be part of a community that shines a light on malicious internet activity. Share domains IPs, URLs, or email source code that you believe is associated with phishing, spam, scams, and more.
Submit malicious activity
Make one-off contributions here. Submit email source code, an IP, domain, or URL connected with phishing, spam, scams, ransomware, or malware.
Create an account
Authenticate here to create an account. This provides you with access to an API to make multiple submissions, along with submission tracking and history.
Listed?
Do you have problems sending email? Check here to see if your IP address or domain is on one of Spamhaus' blocklists.
Why I can trust Spamhaus
Industry leader
Reputation data is at the heart of Spamhaus. Our researchers spend 24/7 tracking, analyzing, and investigating signals to detect potentially malicious IPs and domains.
25 year history
With decades of experience, Spamhaus is an integral part of the internet ecosphere, working with a wide range of trusted organizations, including law enforcement and networks, to affect change.
Accurate threat intelligence
Spamhaus datasets are actionable and accurate, with global coverage. Our data is compiled by industry experts whose sole focus is on making the internet a safer place.
Industry leader
Reputation data is at the heart of Spamhaus. Our researchers spend 24/7 tracking, analyzing, and investigating signals to detect potentially malicious IPs and domains.
25 year history
With decades of experience, Spamhaus is an integral part of the internet ecosphere, working with a wide range of trusted organizations, including law enforcement and networks, to affect change.
Accurate threat intelligence
Spamhaus datasets are actionable and accurate, with global coverage. Our data is compiled by industry experts whose sole focus is on making the internet a safer place.
Industry leader
Reputation data is at the heart of Spamhaus. Our researchers spend 24/7 tracking, analyzing, and investigating signals to detect potentially malicious IPs and domains.
25 year history
With decades of experience, Spamhaus is an integral part of the internet ecosphere, working with a wide range of trusted organizations, including law enforcement and networks, to affect change.
Accurate threat intelligence
Spamhaus datasets are actionable and accurate, with global coverage. Our data is compiled by industry experts whose sole focus is on making the internet a safer place.
Reputation Reports
From botnet controller and malware activity, to domain reputation,
find monthly and quarterly reports based on the intelligence from Spamhaus' researchers.
Monthly Malware Digest, August 2023
August saw an increase in new malware sites hosted in The Netherlands (284%) and Singapore (220%). Whilst, Mirai appear is making a come back - with an increase in distribution sites and malware samples shared.
Monthly Malware Digest, July 2023
This month saw a spike in new malware sites hosted in Bulgaria (almost 400%) and a welcomed 55% decrease (finally!) in the US. With new entrant DBatLoader contributing 22% of all IOCs shared via ThreatFox.
Spamhaus Quarterly Domain Reputation Update, Q2 2023
This quarter our domain experts observed 17 million new domains and as expected, Freenom's final departure. With this, new TLDs and registries are now front and centre, with cheap gTLDs the latest victim. Find out more in this Q2 report.