--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-28T00:00:00Z' end-period: '2015-09-28T23:59:59Z' dns-udp-queries-received-ipv4: 1991636859 dns-udp-queries-received-ipv6: 184199165 dns-tcp-queries-received-ipv4: 210403 dns-tcp-queries-received-ipv6: 330601 dns-udp-responses-sent-ipv4: 1916663762 dns-udp-responses-sent-ipv6: 182682078 dns-tcp-responses-sent-ipv4: 108465 dns-tcp-responses-sent-ipv6: 297872