--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4712380601 dns-udp-queries-received-ipv6: 630517962 dns-tcp-queries-received-ipv4: 86678683 dns-tcp-queries-received-ipv6: 12811680 dns-udp-responses-sent-ipv4: 4774423168 dns-udp-responses-sent-ipv6: 660902529 dns-tcp-responses-sent-ipv4: 86719051 dns-tcp-responses-sent-ipv6: 12812767