Domain names play an important role in mail transmission and receipt. Here you will find information about mail usage in the .nl zone, including the deployment of modern standards that make mail more secure.

Mail records
Domain names with MX, SPF and DMARC records
Mail-related DNS queries
DNS queries for mail-related resource records
Domain names configured for secure mail server communication
DMARC policies
Domain names with mail-abuse policies
SPF mechanisms
Domain names with protection against SPAM and phishing attacks
SPF qualifiers
How rejected mail is handled
SPF includes
The most frequently included SPF policies