--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-19T00:00:00Z' end-period: '2015-08-19T23:59:59Z' dns-udp-queries-received-ipv4: 2161946446 dns-udp-queries-received-ipv6: 176146144 dns-tcp-queries-received-ipv4: 263614 dns-tcp-queries-received-ipv6: 272646 dns-udp-responses-sent-ipv4: 1872765397 dns-udp-responses-sent-ipv6: 175911461 dns-tcp-responses-sent-ipv4: 139959 dns-tcp-responses-sent-ipv6: 241980