--- service: a.root-servers.net start-period: '2014-12-02T00:00:00Z' end-period: '2014-12-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2983646730 dns-udp-queries-received-ipv6: 200469018 dns-tcp-queries-received-ipv4: 19599694 dns-tcp-queries-received-ipv6: 2425534 dns-udp-responses-sent-ipv4: 2982730818 dns-udp-responses-sent-ipv6: 200433136 dns-tcp-responses-sent-ipv4: 18310836 dns-tcp-responses-sent-ipv6: 1589848