--- service: j.root-servers.net start-period: '2016-07-30T00:00:00Z' end-period: '2016-07-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5107025636 dns-udp-queries-received-ipv6: 709371179 dns-tcp-queries-received-ipv4: 145230226 dns-tcp-queries-received-ipv6: 4687573 dns-udp-responses-sent-ipv4: 5074516887 dns-udp-responses-sent-ipv6: 712049533 dns-tcp-responses-sent-ipv4: 116749763 dns-tcp-responses-sent-ipv6: 1866024