--- service: i.root-servers.net start-period: '2015-10-06T00:00:00Z' end-period: '2015-10-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4320826311 dns-udp-queries-received-ipv6: 342934517 dns-tcp-queries-received-ipv4: 28595974 dns-tcp-queries-received-ipv6: 502675 dns-udp-responses-sent-ipv4: 4249451685 dns-udp-responses-sent-ipv6: 341573805 dns-tcp-responses-sent-ipv4: 28588708 dns-tcp-responses-sent-ipv6: 505367