--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-21T00:00:00Z' end-period: '2019-03-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7671990593 dns-udp-queries-received-ipv6: 1820239233 dns-tcp-queries-received-ipv4: 419877756 dns-tcp-queries-received-ipv6: 38739740 dns-udp-responses-sent-ipv4: 7671992572 dns-udp-responses-sent-ipv6: 1820090594 dns-tcp-responses-sent-ipv4: 419632560 dns-tcp-responses-sent-ipv6: 38692393