---
version: rssac002v4
service: d.root-servers.net
start-period: 2022-02-20T00:00:00Z
end-period: 2022-02-20T23:59:59Z
metric: unique-sources
num-sources-ipv4: 4102771
num-sources-ipv6: 2149411
num-sources-ipv6-aggregate: 1403302
