--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5532398971 dns-udp-queries-received-ipv6: 1148570413 dns-tcp-queries-received-ipv4: 139950702 dns-tcp-queries-received-ipv6: 30265459 dns-udp-responses-sent-ipv4: 5437629487 dns-udp-responses-sent-ipv6: 1154052274 dns-tcp-responses-sent-ipv4: 137512128 dns-tcp-responses-sent-ipv6: 29399272