--- service: a.root-servers.net start-period: '2014-05-06T00:00:00Z' end-period: '2014-05-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2455394351 dns-udp-queries-received-ipv6: 119451067 dns-tcp-queries-received-ipv4: 12458867 dns-tcp-queries-received-ipv6: 1233787 dns-udp-responses-sent-ipv4: 2454679017 dns-udp-responses-sent-ipv6: 119446062 dns-tcp-responses-sent-ipv4: 12455199 dns-tcp-responses-sent-ipv6: 207