--- service: d.root-servers.net start-period: '2016-03-06T00:00:00Z' end-period: '2016-03-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3670832843 dns-udp-queries-received-ipv6: 455840739 dns-tcp-queries-received-ipv4: 27991184 dns-tcp-queries-received-ipv6: 917694 dns-udp-responses-sent-ipv4: 3656850345 dns-udp-responses-sent-ipv6: 455585891 dns-tcp-responses-sent-ipv4: 27969584 dns-tcp-responses-sent-ipv6: 917587