--- service: i.root-servers.net start-period: '2015-03-05T00:00:00Z' end-period: '2015-03-06T00:00:10Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1753160089 dns-udp-queries-received-ipv6: 146001229 dns-tcp-queries-received-ipv4: 3736789 dns-tcp-queries-received-ipv6: 132031 dns-udp-responses-sent-ipv4: 1734578439 dns-udp-responses-sent-ipv6: 149114657 dns-tcp-responses-sent-ipv4: 3762149 dns-tcp-responses-sent-ipv6: 134944