--- service: a.root-servers.net start-period: '2014-05-29T00:00:00Z' end-period: '2014-05-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1576490978 dns-udp-queries-received-ipv6: 118717196 dns-tcp-queries-received-ipv4: 9796947 dns-tcp-queries-received-ipv6: 1153931 dns-udp-responses-sent-ipv4: 1576215236 dns-udp-responses-sent-ipv6: 118658252 dns-tcp-responses-sent-ipv4: 9830883 dns-tcp-responses-sent-ipv6: 103997