--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6852508123 dns-udp-queries-received-ipv6: 1326145208 dns-tcp-queries-received-ipv4: 672405388 dns-tcp-queries-received-ipv6: 157334793 dns-udp-responses-sent-ipv4: 5871901042 dns-udp-responses-sent-ipv6: 1234508564 dns-tcp-responses-sent-ipv4: 595032858 dns-tcp-responses-sent-ipv6: 151988307