--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-30T00:00:00Z' end-period: '2015-07-30T23:59:59Z' dns-udp-queries-received-ipv4: 1329651741 dns-udp-queries-received-ipv6: 98822545 dns-tcp-queries-received-ipv4: 216820 dns-tcp-queries-received-ipv6: 34713 dns-udp-responses-sent-ipv4: 1131574008 dns-udp-responses-sent-ipv6: 97142498 dns-tcp-responses-sent-ipv4: 56010 dns-tcp-responses-sent-ipv6: 16343