--- service: h.root-servers.net metric: traffic-volume start-period: '2016-06-17T00:00:00Z' end-period: '2016-06-17T23:59:59Z' dns-udp-queries-received-ipv4: 2157857352 dns-udp-queries-received-ipv6: 363222899 dns-tcp-queries-received-ipv4: 241307 dns-tcp-queries-received-ipv6: 505362 dns-udp-responses-sent-ipv4: 2140830765 dns-udp-responses-sent-ipv6: 363176206 dns-tcp-responses-sent-ipv4: 58320 dns-tcp-responses-sent-ipv6: 468666