--- service: a.root-servers.net start-period: '2014-01-24T00:00:00Z' end-period: '2014-01-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1163499352 dns-udp-queries-received-ipv6: 44075564 dns-tcp-queries-received-ipv4: 6335071 dns-tcp-queries-received-ipv6: 1088441 dns-udp-responses-sent-ipv4: 1163533158 dns-udp-responses-sent-ipv6: 44050903 dns-tcp-responses-sent-ipv4: 6421540 dns-tcp-responses-sent-ipv6: 27