Domain Reputation Intelligence

Constantly updated domain-based threat intelligence to block email from a low reputation/malicious domain or when an email includes a suspect domain.

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Domain data

Hijacked or bad domains

Domain Block List


What it contains
  • Domains owned by spammers and used for spam or other malicious purposes.
  • Domains owned by non-spammers, used for legitimate purposes, but hacked by spammers.

Includes basic spam, phishing, malware, botnet C&C and redirector domains.

Benefits to you

Domain based block lists complement IP-reputation threat data based on a sender’s reputation. Extra protection because even if a spammer has used a clean IP, domain block listing identifies low reputation or malicious domains in the email message.

Newly registered domains

Zero Reputation Domain


What it contains

Cyber criminals use newly registered and active domains to send spam and drive traffic to harmful websites hoping to claim victims before a domain has been analyzed.

ZRD automatically adds newly-registered and previously dormant domains to a block list for 24 hours.

Benefits to you

Legitimate organizations will rarely activate a domain and start using it immediately after registration. ZRD prevents clicking on links and visiting domains until it is established that they are not associated with malicious activities.

Free Public Mirror Rsync Data Query Service
Get the best protection for your enterprise with Spamhaus Technology's enhanced services Non-commercial use - a free public service to fight spam worldwide Full data sets, updated periodically for large volume users and commercial re-use The fastest access possible to continuously updated data, ideal for small to medium-sized organizations
DBL Yes Yes Yes
Escalation listings removed (Minimise false positive rate) No Yes Yes
ZRD No No Yes
Continuously updated No Yes YesYesYes
Support available No Yes Yes
High volume Yes YesYes Yes
Online reports available No No Yes
Custom license options, typically for creation of derivative products No Yes No

All options are easy to integrate with data feeds in industry standard formats so no special customization required.

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