---
version: rssac002v3
service: d.root-servers.net
start-period: '2018-12-20T00:00:00Z'
end-period: '2018-12-20T23:59:59Z'
metric: unique-sources
num-sources-ipv4: 3078837
num-sources-ipv6: 309294
num-sources-ipv6-aggregate: 192222