--- service: h.root-servers.net metric: traffic-volume start-period: '2016-07-09T00:00:00Z' end-period: '2016-07-09T23:59:59Z' dns-udp-queries-received-ipv4: 2022889741 dns-udp-queries-received-ipv6: 333481278 dns-tcp-queries-received-ipv4: 327426 dns-tcp-queries-received-ipv6: 519222 dns-udp-responses-sent-ipv4: 2007642008 dns-udp-responses-sent-ipv6: 333431251 dns-tcp-responses-sent-ipv4: 72697 dns-tcp-responses-sent-ipv6: 476876