--- service: a.root-servers.net start-period: '2014-10-13T00:00:00Z' end-period: '2014-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2756377539 dns-udp-queries-received-ipv6: 173859398 dns-tcp-queries-received-ipv4: 17104043 dns-tcp-queries-received-ipv6: 1798132 dns-udp-responses-sent-ipv4: 2751131468 dns-udp-responses-sent-ipv6: 173792148 dns-tcp-responses-sent-ipv4: 15840132 dns-tcp-responses-sent-ipv6: 1251195