--- service: a.root-servers.net start-period: '2014-12-06T00:00:00Z' end-period: '2014-12-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2667231245 dns-udp-queries-received-ipv6: 177173135 dns-tcp-queries-received-ipv4: 17535183 dns-tcp-queries-received-ipv6: 2109168 dns-udp-responses-sent-ipv4: 2666292836 dns-udp-responses-sent-ipv6: 177114514 dns-tcp-responses-sent-ipv4: 16521052 dns-tcp-responses-sent-ipv6: 1716930