--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4673458863 dns-udp-queries-received-ipv6: 620382916 dns-tcp-queries-received-ipv4: 84754276 dns-tcp-queries-received-ipv6: 12628571 dns-udp-responses-sent-ipv4: 4736369838 dns-udp-responses-sent-ipv6: 653956749 dns-tcp-responses-sent-ipv4: 85011887 dns-tcp-responses-sent-ipv6: 12632294