--- service: h.root-servers.net metric: traffic-volume start-period: '2015-06-27T00:00:00Z' end-period: '2015-06-27T23:59:59Z' dns-udp-queries-received-ipv4: 864314947 dns-udp-queries-received-ipv6: 88363632 dns-tcp-queries-received-ipv4: 129246 dns-tcp-queries-received-ipv6: 48925 dns-udp-responses-sent-ipv4: 827911442 dns-udp-responses-sent-ipv6: 82354556 dns-tcp-responses-sent-ipv4: 46813 dns-tcp-responses-sent-ipv6: 33239