--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-15T00:00:00Z' end-period: '2019-03-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7911644065 dns-udp-queries-received-ipv6: 1778709752 dns-tcp-queries-received-ipv4: 422139897 dns-tcp-queries-received-ipv6: 40259267 dns-udp-responses-sent-ipv4: 7911603293 dns-udp-responses-sent-ipv6: 1778603519 dns-tcp-responses-sent-ipv4: 420944346 dns-tcp-responses-sent-ipv6: 40220448