--- service: a.root-servers.net start-period: '2014-09-05T00:00:00Z' end-period: '2014-09-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1854162988 dns-udp-queries-received-ipv6: 148064174 dns-tcp-queries-received-ipv4: 12729563 dns-tcp-queries-received-ipv6: 1679096 dns-udp-responses-sent-ipv4: 1853681899 dns-udp-responses-sent-ipv6: 148080707 dns-tcp-responses-sent-ipv4: 11843182 dns-tcp-responses-sent-ipv6: 1001726