--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-16T00:00:00Z' end-period: '2018-06-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4641946446 dns-udp-queries-received-ipv6: 630313847 dns-tcp-queries-received-ipv4: 166954992 dns-tcp-queries-received-ipv6: 16565202 dns-udp-responses-sent-ipv4: 4642680576 dns-udp-responses-sent-ipv6: 630032096 dns-tcp-responses-sent-ipv4: 166944261 dns-tcp-responses-sent-ipv6: 16564718