--- service: a.root-servers.net start-period: '2015-11-06T00:00:00Z' end-period: '2015-11-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3494770680 dns-udp-queries-received-ipv6: 323637796 dns-tcp-queries-received-ipv4: 22302679 dns-tcp-queries-received-ipv6: 2213450 dns-udp-responses-sent-ipv4: 3502367223 dns-udp-responses-sent-ipv6: 322998549 dns-tcp-responses-sent-ipv4: 19597408 dns-tcp-responses-sent-ipv6: 258156