--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5990317755 dns-udp-queries-received-ipv6: 763789547 dns-tcp-queries-received-ipv4: 81085350 dns-tcp-queries-received-ipv6: 8436753 dns-udp-responses-sent-ipv4: 6000576561 dns-udp-responses-sent-ipv6: 763574200 dns-tcp-responses-sent-ipv4: 82760281 dns-tcp-responses-sent-ipv6: 8562313