--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-20T00:00:00Z' end-period: '2019-03-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7692124200 dns-udp-queries-received-ipv6: 1852102573 dns-tcp-queries-received-ipv4: 404932081 dns-tcp-queries-received-ipv6: 36465012 dns-udp-responses-sent-ipv4: 7692101692 dns-udp-responses-sent-ipv6: 1851977152 dns-tcp-responses-sent-ipv4: 404640095 dns-tcp-responses-sent-ipv6: 36423664