--- service: j.root-servers.net start-period: '2016-08-18T00:00:00Z' end-period: '2016-08-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6238469969 dns-udp-queries-received-ipv6: 771606286 dns-tcp-queries-received-ipv4: 197218304 dns-tcp-queries-received-ipv6: 4915150 dns-udp-responses-sent-ipv4: 6097384428 dns-udp-responses-sent-ipv6: 776555537 dns-tcp-responses-sent-ipv4: 157413783 dns-tcp-responses-sent-ipv6: 3285150