--- service: a.root-servers.net start-period: '2013-10-06T00:00:00Z' end-period: '2013-10-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1459076424 dns-udp-queries-received-ipv6: 98140388 dns-tcp-queries-received-ipv4: 7207042 dns-tcp-queries-received-ipv6: 1205936 dns-udp-responses-sent-ipv4: 1457456554 dns-udp-responses-sent-ipv6: 98267040 dns-tcp-responses-sent-ipv4: 7548347 dns-tcp-responses-sent-ipv6: 22892