--- service: a.root-servers.net start-period: '2013-11-11T00:00:00Z' end-period: '2013-11-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1592061163 dns-udp-queries-received-ipv6: 88513897 dns-tcp-queries-received-ipv4: 7629610 dns-tcp-queries-received-ipv6: 1548147 dns-udp-responses-sent-ipv4: 1587005113 dns-udp-responses-sent-ipv6: 88523582 dns-tcp-responses-sent-ipv4: 8020395 dns-tcp-responses-sent-ipv6: 11316