--- version: rssac002v3 service: i.root-servers.net start-period: '2017-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6748031766 dns-udp-queries-received-ipv6: 666073161 dns-tcp-queries-received-ipv4: 82079249 dns-tcp-queries-received-ipv6: 10388063 dns-udp-responses-sent-ipv4: 6807488120 dns-udp-responses-sent-ipv6: 665141996 dns-tcp-responses-sent-ipv4: 84356821 dns-tcp-responses-sent-ipv6: 10599828