--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-18T00:00:00Z' end-period: '2018-07-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4695589875 dns-udp-queries-received-ipv6: 680636290 dns-tcp-queries-received-ipv4: 179928860 dns-tcp-queries-received-ipv6: 18635316 dns-udp-responses-sent-ipv4: 4696035293 dns-udp-responses-sent-ipv6: 680381479 dns-tcp-responses-sent-ipv4: 179887782 dns-tcp-responses-sent-ipv6: 18631068