--- service: i.root-servers.net start-period: '2014-10-26T00:00:00Z' end-period: '2014-10-27T00:00:08Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2675795140 dns-udp-queries-received-ipv6: 204069092 dns-tcp-queries-received-ipv4: 6679560 dns-tcp-queries-received-ipv6: 169969 dns-udp-responses-sent-ipv4: 2630755038 dns-udp-responses-sent-ipv6: 206973224 dns-tcp-responses-sent-ipv4: 6768009 dns-tcp-responses-sent-ipv6: 172094