--- service: j.root-servers.net start-period: '2015-05-08T00:00:00Z' end-period: '2015-05-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3181603889 dns-udp-queries-received-ipv6: 252705376 dns-tcp-queries-received-ipv4: 20528314 dns-tcp-queries-received-ipv6: 3456078 dns-udp-responses-sent-ipv4: 3098977135 dns-udp-responses-sent-ipv6: 252607308 dns-tcp-responses-sent-ipv4: 20080746 dns-tcp-responses-sent-ipv6: 2521033