--- service: d.root-servers.net start-period: '2015-11-06T00:00:00Z' end-period: '2015-11-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3387361923 dns-udp-queries-received-ipv6: 479040898 dns-tcp-queries-received-ipv4: 16970543 dns-tcp-queries-received-ipv6: 515784 dns-udp-responses-sent-ipv4: 3376736040 dns-udp-responses-sent-ipv6: 478705050 dns-tcp-responses-sent-ipv4: 16915348 dns-tcp-responses-sent-ipv6: 515357