--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-13T00:00:00Z' end-period: '2018-05-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3991186645 dns-udp-queries-received-ipv6: 603085652 dns-tcp-queries-received-ipv4: 96940619 dns-tcp-queries-received-ipv6: 16132743 dns-udp-responses-sent-ipv4: 3990833884 dns-udp-responses-sent-ipv6: 603017517 dns-tcp-responses-sent-ipv4: 96882086 dns-tcp-responses-sent-ipv6: 16129525