--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-25T00:00:00Z' end-period: '2015-07-25T23:59:59Z' dns-udp-queries-received-ipv4: 1395363350 dns-udp-queries-received-ipv6: 107003576 dns-tcp-queries-received-ipv4: 200934 dns-tcp-queries-received-ipv6: 51836 dns-udp-responses-sent-ipv4: 1164927545 dns-udp-responses-sent-ipv6: 105021006 dns-tcp-responses-sent-ipv4: 59318 dns-tcp-responses-sent-ipv6: 31518