--- service: a.root-servers.net start-period: '2014-12-08T00:00:00Z' end-period: '2014-12-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2696038087 dns-udp-queries-received-ipv6: 187557977 dns-tcp-queries-received-ipv4: 18164736 dns-tcp-queries-received-ipv6: 2211309 dns-udp-responses-sent-ipv4: 2695197930 dns-udp-responses-sent-ipv6: 187498717 dns-tcp-responses-sent-ipv4: 17057492 dns-tcp-responses-sent-ipv6: 1408662