--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-14T00:00:00Z' end-period: '2015-07-14T23:59:59Z' dns-udp-queries-received-ipv4: 958125707 dns-udp-queries-received-ipv6: 69751849 dns-tcp-queries-received-ipv4: 112994 dns-tcp-queries-received-ipv6: 32053 dns-udp-responses-sent-ipv4: 800272695 dns-udp-responses-sent-ipv6: 63035579 dns-tcp-responses-sent-ipv4: 35487 dns-tcp-responses-sent-ipv6: 20984