--- service: j.root-servers.net start-period: '2016-11-18T00:00:00Z' end-period: '2016-11-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5918999043 dns-udp-queries-received-ipv6: 515529015 dns-tcp-queries-received-ipv4: 183570045 dns-tcp-queries-received-ipv6: 9438883 dns-udp-responses-sent-ipv4: 5814662620 dns-udp-responses-sent-ipv6: 521131020 dns-tcp-responses-sent-ipv4: 166896988 dns-tcp-responses-sent-ipv6: 9604382