--- service: d.root-servers.net start-period: '2016-02-03T00:00:00Z' end-period: '2016-02-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5112735761 dns-udp-queries-received-ipv6: 433779227 dns-tcp-queries-received-ipv4: 21614595 dns-tcp-queries-received-ipv6: 629677 dns-udp-responses-sent-ipv4: 5100782554 dns-udp-responses-sent-ipv6: 433601212 dns-tcp-responses-sent-ipv4: 21602217 dns-tcp-responses-sent-ipv6: 629262