--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-11T00:00:00Z' end-period: '2019-01-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6228423374 dns-udp-queries-received-ipv6: 1573568243 dns-tcp-queries-received-ipv4: 223229277 dns-tcp-queries-received-ipv6: 115285836 dns-udp-responses-sent-ipv4: 6228454998 dns-udp-responses-sent-ipv6: 1573412274 dns-tcp-responses-sent-ipv4: 222197083 dns-tcp-responses-sent-ipv6: 115204733