--- version: rssac002v3 service: i.root-servers.net start-period: '2018-12-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5302291814 dns-udp-queries-received-ipv6: 1022958987 dns-tcp-queries-received-ipv4: 112669979 dns-tcp-queries-received-ipv6: 27066494 dns-udp-responses-sent-ipv4: 5234333786 dns-udp-responses-sent-ipv6: 1022805931 dns-tcp-responses-sent-ipv4: 108928163 dns-tcp-responses-sent-ipv6: 26449272