--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-22T00:00:00Z' end-period: '2019-03-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7716529199 dns-udp-queries-received-ipv6: 1814140896 dns-tcp-queries-received-ipv4: 411690798 dns-tcp-queries-received-ipv6: 40651851 dns-udp-responses-sent-ipv4: 7716524169 dns-udp-responses-sent-ipv6: 1813999243 dns-tcp-responses-sent-ipv4: 411492785 dns-tcp-responses-sent-ipv6: 40609030