--- service: a.root-servers.net start-period: '2014-08-12T00:00:00Z' end-period: '2014-08-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1569189882 dns-udp-queries-received-ipv6: 90771940 dns-tcp-queries-received-ipv4: 14928935 dns-tcp-queries-received-ipv6: 829758 dns-udp-responses-sent-ipv4: 1569073279 dns-udp-responses-sent-ipv6: 90776790 dns-tcp-responses-sent-ipv4: 15037365 dns-tcp-responses-sent-ipv6: 295378