--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5699983793 dns-udp-queries-received-ipv6: 683428322 dns-tcp-queries-received-ipv4: 104444748 dns-tcp-queries-received-ipv6: 13230068 dns-udp-responses-sent-ipv4: 5754284354 dns-udp-responses-sent-ipv6: 678470814 dns-tcp-responses-sent-ipv4: 102822558 dns-tcp-responses-sent-ipv6: 13228508