--- service: j.root-servers.net start-period: '2016-03-12T00:00:00Z' end-period: '2016-03-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5476360689 dns-udp-queries-received-ipv6: 673487502 dns-tcp-queries-received-ipv4: 184162974 dns-tcp-queries-received-ipv6: 3246789 dns-udp-responses-sent-ipv4: 5155937749 dns-udp-responses-sent-ipv6: 723318182 dns-tcp-responses-sent-ipv4: 162361198 dns-tcp-responses-sent-ipv6: 297141