--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-08T00:00:00Z' end-period: '2015-07-08T23:59:59Z' dns-udp-queries-received-ipv4: 872499761 dns-udp-queries-received-ipv6: 79623694 dns-tcp-queries-received-ipv4: 123574 dns-tcp-queries-received-ipv6: 38130 dns-udp-responses-sent-ipv4: 810187604 dns-udp-responses-sent-ipv6: 73078633 dns-tcp-responses-sent-ipv4: 43263 dns-tcp-responses-sent-ipv6: 25466