--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-12T00:00:00Z' end-period: '2015-08-12T23:59:59Z' dns-udp-queries-received-ipv4: 2317611152 dns-udp-queries-received-ipv6: 169798286 dns-tcp-queries-received-ipv4: 251942 dns-tcp-queries-received-ipv6: 210962 dns-udp-responses-sent-ipv4: 1989750262 dns-udp-responses-sent-ipv6: 169539625 dns-tcp-responses-sent-ipv4: 100919 dns-tcp-responses-sent-ipv6: 184465