--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5659467334 dns-udp-queries-received-ipv6: 705580078 dns-tcp-queries-received-ipv4: 120568773 dns-tcp-queries-received-ipv6: 15576275 dns-udp-responses-sent-ipv4: 5708333098 dns-udp-responses-sent-ipv6: 700330049 dns-tcp-responses-sent-ipv4: 118587155 dns-tcp-responses-sent-ipv6: 15672821