--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-19T00:00:00Z' end-period: '2018-05-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4344080577 dns-udp-queries-received-ipv6: 606253762 dns-tcp-queries-received-ipv4: 129780485 dns-tcp-queries-received-ipv6: 17184279 dns-udp-responses-sent-ipv4: 4344680520 dns-udp-responses-sent-ipv6: 606196292 dns-tcp-responses-sent-ipv4: 129753242 dns-tcp-responses-sent-ipv6: 17182834