--- service: j.root-servers.net start-period: '2016-04-25T00:00:00Z' end-period: '2016-04-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6105540807 dns-udp-queries-received-ipv6: 725263957 dns-tcp-queries-received-ipv4: 191444482 dns-tcp-queries-received-ipv6: 3019191 dns-udp-responses-sent-ipv4: 5795137794 dns-udp-responses-sent-ipv6: 725256325 dns-tcp-responses-sent-ipv4: 163303661 dns-tcp-responses-sent-ipv6: 597312