--- service: j.root-servers.net start-period: '2016-06-29T00:00:00Z' end-period: '2016-06-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5969976099 dns-udp-queries-received-ipv6: 725531797 dns-tcp-queries-received-ipv4: 158493746 dns-tcp-queries-received-ipv6: 6610911 dns-udp-responses-sent-ipv4: 5860975897 dns-udp-responses-sent-ipv6: 731072659 dns-tcp-responses-sent-ipv4: 143126785 dns-tcp-responses-sent-ipv6: 3897443