--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4495719979 dns-udp-queries-received-ipv6: 498446820 dns-tcp-queries-received-ipv4: 23212984 dns-tcp-queries-received-ipv6: 1154580 dns-udp-responses-sent-ipv4: 4506113472 dns-udp-responses-sent-ipv6: 498126503 dns-tcp-responses-sent-ipv4: 23564840 dns-tcp-responses-sent-ipv6: 1165227