--- service: a.root-servers.net start-period: '2014-10-19T00:00:00Z' end-period: '2014-10-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2300720107 dns-udp-queries-received-ipv6: 155344871 dns-tcp-queries-received-ipv4: 15035517 dns-tcp-queries-received-ipv6: 1759226 dns-udp-responses-sent-ipv4: 2296439012 dns-udp-responses-sent-ipv6: 155315153 dns-tcp-responses-sent-ipv4: 14016813 dns-tcp-responses-sent-ipv6: 1279871