--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-28T00:00:00Z' end-period: '2016-02-28T23:59:59Z' dns-udp-queries-received-ipv4: 2610375154 dns-udp-queries-received-ipv6: 248883159 dns-tcp-queries-received-ipv4: 687467 dns-tcp-queries-received-ipv6: 629416 dns-udp-responses-sent-ipv4: 2502649481 dns-udp-responses-sent-ipv6: 248575805 dns-tcp-responses-sent-ipv4: 299164 dns-tcp-responses-sent-ipv6: 576162