--- service: j.root-servers.net start-period: '2015-10-18T00:00:00Z' end-period: '2015-10-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3569479788 dns-udp-queries-received-ipv6: 10791457 dns-tcp-queries-received-ipv4: 64946515 dns-tcp-queries-received-ipv6: 8435073 dns-udp-responses-sent-ipv4: 3516603012 dns-udp-responses-sent-ipv6: 10290958 dns-tcp-responses-sent-ipv4: 63143277 dns-tcp-responses-sent-ipv6: 8910835