--- service: d.root-servers.net start-period: '2016-04-05T00:00:00Z' end-period: '2016-04-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4691549583 dns-udp-queries-received-ipv6: 628322970 dns-tcp-queries-received-ipv4: 38164866 dns-tcp-queries-received-ipv6: 564649 dns-udp-responses-sent-ipv4: 4670808590 dns-udp-responses-sent-ipv6: 628064522 dns-tcp-responses-sent-ipv4: 38112618 dns-tcp-responses-sent-ipv6: 564641