--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-12T00:00:00Z' end-period: '2016-02-12T23:59:59Z' dns-udp-queries-received-ipv4: 2967426263 dns-udp-queries-received-ipv6: 250270020 dns-tcp-queries-received-ipv4: 637931 dns-tcp-queries-received-ipv6: 440105 dns-udp-responses-sent-ipv4: 2798463267 dns-udp-responses-sent-ipv6: 250063001 dns-tcp-responses-sent-ipv4: 337151 dns-tcp-responses-sent-ipv6: 398849