--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5755067105 dns-udp-queries-received-ipv6: 721150679 dns-tcp-queries-received-ipv4: 117497031 dns-tcp-queries-received-ipv6: 15299350 dns-udp-responses-sent-ipv4: 5806633904 dns-udp-responses-sent-ipv6: 715490759 dns-tcp-responses-sent-ipv4: 115589433 dns-tcp-responses-sent-ipv6: 15347192