--- service: j.root-servers.net start-period: '2016-07-31T00:00:00Z' end-period: '2016-07-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5068735986 dns-udp-queries-received-ipv6: 708858939 dns-tcp-queries-received-ipv4: 139949819 dns-tcp-queries-received-ipv6: 4567472 dns-udp-responses-sent-ipv4: 5045732780 dns-udp-responses-sent-ipv6: 711547021 dns-tcp-responses-sent-ipv4: 113862680 dns-tcp-responses-sent-ipv6: 1832420