--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5110347904 dns-udp-queries-received-ipv6: 622649936 dns-tcp-queries-received-ipv4: 83369580 dns-tcp-queries-received-ipv6: 12710740 dns-udp-responses-sent-ipv4: 5189455332 dns-udp-responses-sent-ipv6: 687606541 dns-tcp-responses-sent-ipv4: 83619872 dns-tcp-responses-sent-ipv6: 12683988