--- service: a.root-servers.net start-period: '2014-05-28T00:00:00Z' end-period: '2014-05-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2429798150 dns-udp-queries-received-ipv6: 119868032 dns-tcp-queries-received-ipv4: 12654573 dns-tcp-queries-received-ipv6: 1145616 dns-udp-responses-sent-ipv4: 2428834469 dns-udp-responses-sent-ipv6: 119807417 dns-tcp-responses-sent-ipv4: 12680734 dns-tcp-responses-sent-ipv6: 103449