--- version: rssac002v3 service: d.root-servers.net start-period: '2019-09-13T00:00:00Z' end-period: '2019-09-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8473105991 dns-udp-queries-received-ipv6: 1597384972 dns-tcp-queries-received-ipv4: 537699452 dns-tcp-queries-received-ipv6: 62270277 dns-udp-responses-sent-ipv4: 8473128266 dns-udp-responses-sent-ipv6: 1597178162 dns-tcp-responses-sent-ipv4: 537414132 dns-tcp-responses-sent-ipv6: 62232611