--- service: i.root-servers.net start-period: '2014-11-17T00:00:00Z' end-period: '2014-11-18T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3226533975 dns-udp-queries-received-ipv6: 225542554 dns-tcp-queries-received-ipv4: 6928367 dns-tcp-queries-received-ipv6: 203396 dns-udp-responses-sent-ipv4: 3175783694 dns-udp-responses-sent-ipv6: 225435030 dns-tcp-responses-sent-ipv4: 6999204 dns-tcp-responses-sent-ipv6: 202280