--- service: d.root-servers.net start-period: '2016-03-07T00:00:00Z' end-period: '2016-03-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4134267884 dns-udp-queries-received-ipv6: 470906873 dns-tcp-queries-received-ipv4: 29601607 dns-tcp-queries-received-ipv6: 1086992 dns-udp-responses-sent-ipv4: 4117112700 dns-udp-responses-sent-ipv6: 470608827 dns-tcp-responses-sent-ipv4: 29584377 dns-tcp-responses-sent-ipv6: 1086968