Information about the IP and TCP/UDP use at .nl.

Unique IP addresses and networks
Number of unique resolvers and networks daily.
IPv6 Support
Percentage of queries via IPv6
Resolvers location (top 10)
Top 10 locations of all resolvers.
Transport protocol
Queries that reach us via TCP and UDP.
Resolvers location
Locations of all resolvers.
Queries from large Open Resolvers
Share of queries that originate from large providers of open DNS resolvers.