--- service: d.root-servers.net start-period: '2016-03-25T00:00:00Z' end-period: '2016-03-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4075024335 dns-udp-queries-received-ipv6: 561657919 dns-tcp-queries-received-ipv4: 33341369 dns-tcp-queries-received-ipv6: 547722 dns-udp-responses-sent-ipv4: 4054160981 dns-udp-responses-sent-ipv6: 561358775 dns-tcp-responses-sent-ipv4: 33309048 dns-tcp-responses-sent-ipv6: 547702