--- service: d.root-servers.net start-period: '2015-10-25T00:00:00Z' end-period: '2015-10-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2822985153 dns-udp-queries-received-ipv6: 413545991 dns-tcp-queries-received-ipv4: 14573603 dns-tcp-queries-received-ipv6: 437831 dns-udp-responses-sent-ipv4: 2814714091 dns-udp-responses-sent-ipv6: 413158134 dns-tcp-responses-sent-ipv4: 14536566 dns-tcp-responses-sent-ipv6: 437790