--- service: h.root-servers.net metric: traffic-volume start-period: '2016-07-23T00:00:00Z' end-period: '2016-07-23T23:59:59Z' dns-udp-queries-received-ipv4: 1945579418 dns-udp-queries-received-ipv6: 339034058 dns-tcp-queries-received-ipv4: 227016 dns-tcp-queries-received-ipv6: 454772 dns-udp-responses-sent-ipv4: 1929912494 dns-udp-responses-sent-ipv6: 338984328 dns-tcp-responses-sent-ipv4: 70017 dns-tcp-responses-sent-ipv6: 414064