--- service: a.root-servers.net start-period: '2013-11-06T00:00:00Z' end-period: '2013-11-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1575099512 dns-udp-queries-received-ipv6: 88695717 dns-tcp-queries-received-ipv4: 7535096 dns-tcp-queries-received-ipv6: 1437613 dns-udp-responses-sent-ipv4: 1574935161 dns-udp-responses-sent-ipv6: 88706637 dns-tcp-responses-sent-ipv4: 8101732 dns-tcp-responses-sent-ipv6: 14773