--- service: h.root-servers.net metric: traffic-volume start-period: '2015-04-26T00:00:00Z' end-period: '2015-04-26T23:59:59Z' dns-udp-queries-received-ipv4: 859471035 dns-udp-queries-received-ipv6: 86887672 dns-tcp-queries-received-ipv4: 169012 dns-tcp-queries-received-ipv6: 56455 dns-udp-responses-sent-ipv4: 822247398 dns-udp-responses-sent-ipv6: 81319146 dns-tcp-responses-sent-ipv4: 47563 dns-tcp-responses-sent-ipv6: 39998