--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-22T00:00:00Z' end-period: '2018-12-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5822657880 dns-udp-queries-received-ipv6: 1372127420 dns-tcp-queries-received-ipv4: 361296049 dns-tcp-queries-received-ipv6: 37886189 dns-udp-responses-sent-ipv4: 5822701256 dns-udp-responses-sent-ipv6: 1372003773 dns-tcp-responses-sent-ipv4: 360947523 dns-tcp-responses-sent-ipv6: 37857425