--- service: d.root-servers.net start-period: '2016-05-10T00:00:00Z' end-period: '2016-05-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4452567316 dns-udp-queries-received-ipv6: 657640655 dns-tcp-queries-received-ipv4: 36113004 dns-tcp-queries-received-ipv6: 594148 dns-udp-responses-sent-ipv4: 4435094555 dns-udp-responses-sent-ipv6: 657371288 dns-tcp-responses-sent-ipv4: 36023621 dns-tcp-responses-sent-ipv6: 593837