--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6177982351 dns-udp-queries-received-ipv6: 633072439 dns-tcp-queries-received-ipv4: 103839491 dns-tcp-queries-received-ipv6: 11025514 dns-udp-responses-sent-ipv4: 6188377864 dns-udp-responses-sent-ipv6: 630494196 dns-tcp-responses-sent-ipv4: 106061362 dns-tcp-responses-sent-ipv6: 11153266