--- service: j.root-servers.net start-period: '2015-03-04T00:00:00Z' end-period: '2015-03-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3257441229 dns-udp-queries-received-ipv6: 334263299 dns-tcp-queries-received-ipv4: 31495854 dns-tcp-queries-received-ipv6: 4251376 dns-udp-responses-sent-ipv4: 3257900774 dns-udp-responses-sent-ipv6: 334204269 dns-tcp-responses-sent-ipv4: 31128862 dns-tcp-responses-sent-ipv6: 3504763