--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-12T00:00:00Z' end-period: '2015-10-12T23:59:59Z' dns-udp-queries-received-ipv4: 1833233003 dns-udp-queries-received-ipv6: 193189130 dns-tcp-queries-received-ipv4: 193091 dns-tcp-queries-received-ipv6: 303599 dns-udp-responses-sent-ipv4: 1769379380 dns-udp-responses-sent-ipv6: 192950751 dns-tcp-responses-sent-ipv4: 88696 dns-tcp-responses-sent-ipv6: 270944