--- service: i.root-servers.net start-period: '2014-10-14T00:00:00Z' end-period: '2014-10-15T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3073356175 dns-udp-queries-received-ipv6: 220472464 dns-tcp-queries-received-ipv4: 7470201 dns-tcp-queries-received-ipv6: 430445 dns-udp-responses-sent-ipv4: 3016372330 dns-udp-responses-sent-ipv6: 224267665 dns-tcp-responses-sent-ipv4: 7558788 dns-tcp-responses-sent-ipv6: 418715