--- service: d.root-servers.net start-period: '2016-03-08T00:00:00Z' end-period: '2016-03-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4338445982 dns-udp-queries-received-ipv6: 481774047 dns-tcp-queries-received-ipv4: 31204358 dns-tcp-queries-received-ipv6: 1288213 dns-udp-responses-sent-ipv4: 4322602013 dns-udp-responses-sent-ipv6: 481477980 dns-tcp-responses-sent-ipv4: 31199124 dns-tcp-responses-sent-ipv6: 1288193