--- service: j.root-servers.net start-period: '2016-09-16T00:00:00Z' end-period: '2016-09-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6754343379 dns-udp-queries-received-ipv6: 693517857 dns-tcp-queries-received-ipv4: 185965382 dns-tcp-queries-received-ipv6: 4871904 dns-udp-responses-sent-ipv4: 6606037785 dns-udp-responses-sent-ipv6: 694452360 dns-tcp-responses-sent-ipv4: 148627857 dns-tcp-responses-sent-ipv6: 2938259