--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-12T00:00:00Z' end-period: '2018-12-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6299025607 dns-udp-queries-received-ipv6: 1454559313 dns-tcp-queries-received-ipv4: 297268231 dns-tcp-queries-received-ipv6: 39836610 dns-udp-responses-sent-ipv4: 6299018146 dns-udp-responses-sent-ipv6: 1454311823 dns-tcp-responses-sent-ipv4: 296873784 dns-tcp-responses-sent-ipv6: 39808482