Domains play an important role when sending and receiving e-mails. On this page we show information related to mail usage in .nl. Also, we give insights in the deployment of modern standards that make e-mail more secure. Parts of the data are provided by the OpenIntel project.

Mail related RRs
Domains with MX, SPF and DMARC records.
Mail related DNS queries
DNS queries for mail related Resource Records.
Domains that secure the communication of their mail servers.
DMARC Policies
Domains that monitor mail abuse.
SPF Mechanisms
Domains that restrict SPAM and phishing attacks.
SPF Qualifiers
How restrictive is abuse handled.
SPF Includes
The most prevalent SPF policies.