--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-09T00:00:00Z' end-period: '2015-10-09T23:59:59Z' dns-udp-queries-received-ipv4: 2022169121 dns-udp-queries-received-ipv6: 183026636 dns-tcp-queries-received-ipv4: 246552 dns-tcp-queries-received-ipv6: 306567 dns-udp-responses-sent-ipv4: 1959701727 dns-udp-responses-sent-ipv6: 182850911 dns-tcp-responses-sent-ipv4: 118342 dns-tcp-responses-sent-ipv6: 271441