--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-27T00:00:00Z' end-period: '2015-12-27T23:59:59Z' dns-udp-queries-received-ipv4: 2366182424 dns-udp-queries-received-ipv6: 243381406 dns-tcp-queries-received-ipv4: 430540 dns-tcp-queries-received-ipv6: 329188 dns-udp-responses-sent-ipv4: 2320544962 dns-udp-responses-sent-ipv6: 243046398 dns-tcp-responses-sent-ipv4: 236931 dns-tcp-responses-sent-ipv6: 292774