--- service: d.root-servers.net start-period: '2015-12-10T00:00:00Z' end-period: '2015-12-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4316171888 dns-udp-queries-received-ipv6: 436911317 dns-tcp-queries-received-ipv4: 22410894 dns-tcp-queries-received-ipv6: 707972 dns-udp-responses-sent-ipv4: 4295527563 dns-udp-responses-sent-ipv6: 436531388 dns-tcp-responses-sent-ipv4: 22008960 dns-tcp-responses-sent-ipv6: 707084