--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-26T00:00:00Z' end-period: '2018-12-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6007252011 dns-udp-queries-received-ipv6: 1410965155 dns-tcp-queries-received-ipv4: 384749250 dns-tcp-queries-received-ipv6: 39913084 dns-udp-responses-sent-ipv4: 6007259027 dns-udp-responses-sent-ipv6: 1410812213 dns-tcp-responses-sent-ipv4: 384371388 dns-tcp-responses-sent-ipv6: 39887747