--- service: j.root-servers.net start-period: '2016-09-30T00:00:00Z' end-period: '2016-09-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7549914303 dns-udp-queries-received-ipv6: 780001117 dns-tcp-queries-received-ipv4: 190003979 dns-tcp-queries-received-ipv6: 6965677 dns-udp-responses-sent-ipv4: 7366433425 dns-udp-responses-sent-ipv6: 781444305 dns-tcp-responses-sent-ipv4: 161345017 dns-tcp-responses-sent-ipv6: 5444096