--- service: a.root-servers.net start-period: '2014-11-15T00:00:00Z' end-period: '2014-11-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2398045045 dns-udp-queries-received-ipv6: 188700801 dns-tcp-queries-received-ipv4: 15182184 dns-tcp-queries-received-ipv6: 1989466 dns-udp-responses-sent-ipv4: 2397170333 dns-udp-responses-sent-ipv6: 188647456 dns-tcp-responses-sent-ipv4: 13833022 dns-tcp-responses-sent-ipv6: 1450471