--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-05T00:00:00Z' end-period: '2015-12-05T23:59:59Z' dns-udp-queries-received-ipv4: 2703176590 dns-udp-queries-received-ipv6: 229874493 dns-tcp-queries-received-ipv4: 551048 dns-tcp-queries-received-ipv6: 368649 dns-udp-responses-sent-ipv4: 2538561226 dns-udp-responses-sent-ipv6: 229535345 dns-tcp-responses-sent-ipv4: 422231 dns-tcp-responses-sent-ipv6: 330260