--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6056321863 dns-udp-queries-received-ipv6: 814327028 dns-tcp-queries-received-ipv4: 132481768 dns-tcp-queries-received-ipv6: 17899184 dns-udp-responses-sent-ipv4: 6134092163 dns-udp-responses-sent-ipv6: 827070804 dns-tcp-responses-sent-ipv4: 129322336 dns-tcp-responses-sent-ipv6: 17840494