--- service: a.root-servers.net start-period: '2016-11-30T00:00:00Z' end-period: '2016-11-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5235055028 dns-udp-queries-received-ipv6: 453546366 dns-tcp-queries-received-ipv4: 210108429 dns-tcp-queries-received-ipv6: 7212287 dns-udp-responses-sent-ipv4: 5217749959 dns-udp-responses-sent-ipv6: 453041562 dns-tcp-responses-sent-ipv4: 210703929 dns-tcp-responses-sent-ipv6: 7181944