--- service: a.root-servers.net start-period: '2014-09-26T00:00:00Z' end-period: '2014-09-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2486341513 dns-udp-queries-received-ipv6: 217232053 dns-tcp-queries-received-ipv4: 17381144 dns-tcp-queries-received-ipv6: 2001938 dns-udp-responses-sent-ipv4: 2484421701 dns-udp-responses-sent-ipv6: 168692875 dns-tcp-responses-sent-ipv4: 16542571 dns-tcp-responses-sent-ipv6: 1076496