--- service: j.root-servers.net start-period: '2016-07-01T00:00:00Z' end-period: '2016-07-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5790975197 dns-udp-queries-received-ipv6: 726808760 dns-tcp-queries-received-ipv4: 152573069 dns-tcp-queries-received-ipv6: 5143258 dns-udp-responses-sent-ipv4: 5672354203 dns-udp-responses-sent-ipv6: 731917609 dns-tcp-responses-sent-ipv4: 137072030 dns-tcp-responses-sent-ipv6: 2373729