--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-09T00:00:00Z' end-period: '2019-02-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6612253234 dns-udp-queries-received-ipv6: 1589117889 dns-tcp-queries-received-ipv4: 310968628 dns-tcp-queries-received-ipv6: 50020017 dns-udp-responses-sent-ipv4: 6612246508 dns-udp-responses-sent-ipv6: 1589052769 dns-tcp-responses-sent-ipv4: 310806902 dns-tcp-responses-sent-ipv6: 49991986