---
version: rssac002v3
service: d.root-servers.net
start-period: '2018-05-20T00:00:00Z'
end-period: '2018-05-20T23:59:59Z'
metric: unique-sources
num-sources-ipv4: 3040872
num-sources-ipv6: 265784
num-sources-ipv6-aggregate: 172783