--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-07T00:00:00Z' end-period: '2015-09-07T23:59:59Z' dns-udp-queries-received-ipv4: 2277069676 dns-udp-queries-received-ipv6: 166227350 dns-tcp-queries-received-ipv4: 251922 dns-tcp-queries-received-ipv6: 273336 dns-udp-responses-sent-ipv4: 1962244108 dns-udp-responses-sent-ipv6: 165994677 dns-tcp-responses-sent-ipv4: 114237 dns-tcp-responses-sent-ipv6: 238032