--- service: j.root-servers.net start-period: '2016-09-17T00:00:00Z' end-period: '2016-09-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6011296962 dns-udp-queries-received-ipv6: 666759719 dns-tcp-queries-received-ipv4: 154796186 dns-tcp-queries-received-ipv6: 4127242 dns-udp-responses-sent-ipv4: 5915605301 dns-udp-responses-sent-ipv6: 667195639 dns-tcp-responses-sent-ipv4: 129111467 dns-tcp-responses-sent-ipv6: 2600576