--- service: d.root-servers.net start-period: '2016-03-02T00:00:00Z' end-period: '2016-03-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4423419690 dns-udp-queries-received-ipv6: 486395820 dns-tcp-queries-received-ipv4: 27179888 dns-tcp-queries-received-ipv6: 1029785 dns-udp-responses-sent-ipv4: 4401151966 dns-udp-responses-sent-ipv6: 486101360 dns-tcp-responses-sent-ipv4: 27129796 dns-tcp-responses-sent-ipv6: 1029658