--- service: j.root-servers.net start-period: '2016-09-01T00:00:00Z' end-period: '2016-09-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6557325237 dns-udp-queries-received-ipv6: 766522710 dns-tcp-queries-received-ipv4: 177779762 dns-tcp-queries-received-ipv6: 5208547 dns-udp-responses-sent-ipv4: 6432635494 dns-udp-responses-sent-ipv6: 769125569 dns-tcp-responses-sent-ipv4: 143182939 dns-tcp-responses-sent-ipv6: 3273328