--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6866587970 dns-udp-queries-received-ipv6: 806580754 dns-tcp-queries-received-ipv4: 82528502 dns-tcp-queries-received-ipv6: 8319304 dns-udp-responses-sent-ipv4: 6883743524 dns-udp-responses-sent-ipv6: 807083719 dns-tcp-responses-sent-ipv4: 85028143 dns-tcp-responses-sent-ipv6: 8420409