--- service: a.root-servers.net start-period: '2013-10-24T00:00:00Z' end-period: '2013-10-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1582152185 dns-udp-queries-received-ipv6: 86394188 dns-tcp-queries-received-ipv4: 7835294 dns-tcp-queries-received-ipv6: 1541562 dns-udp-responses-sent-ipv4: 1582210526 dns-udp-responses-sent-ipv6: 86404119 dns-tcp-responses-sent-ipv4: 8246682 dns-tcp-responses-sent-ipv6: 18640