--- service: a.root-servers.net start-period: '2014-10-22T00:00:00Z' end-period: '2014-10-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2860757518 dns-udp-queries-received-ipv6: 181637831 dns-tcp-queries-received-ipv4: 17934891 dns-tcp-queries-received-ipv6: 1926846 dns-udp-responses-sent-ipv4: 2855653660 dns-udp-responses-sent-ipv6: 181735786 dns-tcp-responses-sent-ipv4: 16597296 dns-tcp-responses-sent-ipv6: 1253355