--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5562239608 dns-udp-queries-received-ipv6: 728835154 dns-tcp-queries-received-ipv4: 98451590 dns-tcp-queries-received-ipv6: 14913382 dns-udp-responses-sent-ipv4: 5608002249 dns-udp-responses-sent-ipv6: 725862597 dns-tcp-responses-sent-ipv4: 99532579 dns-tcp-responses-sent-ipv6: 14912744