--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5054493540 dns-udp-queries-received-ipv6: 638734124 dns-tcp-queries-received-ipv4: 86753970 dns-tcp-queries-received-ipv6: 12958339 dns-udp-responses-sent-ipv4: 5137219126 dns-udp-responses-sent-ipv6: 697353391 dns-tcp-responses-sent-ipv4: 87090529 dns-tcp-responses-sent-ipv6: 12930169