--- service: j.root-servers.net start-period: '2016-06-13T00:00:00Z' end-period: '2016-06-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6087004872 dns-udp-queries-received-ipv6: 686904556 dns-tcp-queries-received-ipv4: 193972387 dns-tcp-queries-received-ipv6: 3733724 dns-udp-responses-sent-ipv4: 5849149461 dns-udp-responses-sent-ipv6: 685900805 dns-tcp-responses-sent-ipv4: 157610765 dns-tcp-responses-sent-ipv6: 1012005