--- service: a.root-servers.net start-period: '2016-03-26T00:00:00Z' end-period: '2016-03-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5260759986 dns-udp-queries-received-ipv6: 328775175 dns-tcp-queries-received-ipv4: 131384359 dns-tcp-queries-received-ipv6: 2839480 dns-udp-responses-sent-ipv4: 5248670372 dns-udp-responses-sent-ipv6: 329589799 dns-tcp-responses-sent-ipv4: 89804763 dns-tcp-responses-sent-ipv6: 305734