--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5243104599 dns-udp-queries-received-ipv6: 562549968 dns-tcp-queries-received-ipv4: 95746517 dns-tcp-queries-received-ipv6: 12061757 dns-udp-responses-sent-ipv4: 5297019763 dns-udp-responses-sent-ipv6: 613728232 dns-tcp-responses-sent-ipv4: 94514345 dns-tcp-responses-sent-ipv6: 12114110