--- service: i.root-servers.net start-period: '2016-05-03T00:00:00Z' end-period: '2016-05-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5358896019 dns-udp-queries-received-ipv6: 442504018 dns-tcp-queries-received-ipv4: 36481268 dns-tcp-queries-received-ipv6: 933586 dns-udp-responses-sent-ipv4: 5298757455 dns-udp-responses-sent-ipv6: 447792957 dns-tcp-responses-sent-ipv4: 36151950 dns-tcp-responses-sent-ipv6: 936262