--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5539921173 dns-udp-queries-received-ipv6: 849975058 dns-tcp-queries-received-ipv4: 133115970 dns-tcp-queries-received-ipv6: 17217356 dns-udp-responses-sent-ipv4: 5666999464 dns-udp-responses-sent-ipv6: 864156277 dns-tcp-responses-sent-ipv4: 130559104 dns-tcp-responses-sent-ipv6: 17332217