--- service: a.root-servers.net start-period: '2014-09-24T00:00:00Z' end-period: '2014-09-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2789470252 dns-udp-queries-received-ipv6: 187880408 dns-tcp-queries-received-ipv4: 16607007 dns-tcp-queries-received-ipv6: 1815449 dns-udp-responses-sent-ipv4: 2727437027 dns-udp-responses-sent-ipv6: 174274444 dns-tcp-responses-sent-ipv4: 15195874 dns-tcp-responses-sent-ipv6: 1088776