--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-14T00:00:00Z' end-period: '2018-12-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6326086637 dns-udp-queries-received-ipv6: 1461856909 dns-tcp-queries-received-ipv4: 323913645 dns-tcp-queries-received-ipv6: 45339695 dns-udp-responses-sent-ipv4: 6326075439 dns-udp-responses-sent-ipv6: 1461705701 dns-tcp-responses-sent-ipv4: 323292118 dns-tcp-responses-sent-ipv6: 45313986