--- service: a.root-servers.net start-period: '2014-02-06T00:00:00Z' end-period: '2014-02-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1353117276 dns-udp-queries-received-ipv6: 82373891 dns-tcp-queries-received-ipv4: 7658293 dns-tcp-queries-received-ipv6: 1117749 dns-udp-responses-sent-ipv4: 1352246507 dns-udp-responses-sent-ipv6: 82360616 dns-tcp-responses-sent-ipv4: 7648357 dns-tcp-responses-sent-ipv6: 102