--- service: j.root-servers.net start-period: '2015-03-17T00:00:00Z' end-period: '2015-03-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3325988864 dns-udp-queries-received-ipv6: 334328346 dns-tcp-queries-received-ipv4: 29816637 dns-tcp-queries-received-ipv6: 5200465 dns-udp-responses-sent-ipv4: 3341803960 dns-udp-responses-sent-ipv6: 334134273 dns-tcp-responses-sent-ipv4: 29096260 dns-tcp-responses-sent-ipv6: 4988519