--- service: a.root-servers.net start-period: '2014-11-12T00:00:00Z' end-period: '2014-11-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2790950100 dns-udp-queries-received-ipv6: 208777732 dns-tcp-queries-received-ipv4: 19440500 dns-tcp-queries-received-ipv6: 2066536 dns-udp-responses-sent-ipv4: 2790133983 dns-udp-responses-sent-ipv6: 208718123 dns-tcp-responses-sent-ipv4: 17828975 dns-tcp-responses-sent-ipv6: 1398638