--- service: j.root-servers.net start-period: '2016-12-28T00:00:00Z' end-period: '2016-12-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5950936588 dns-udp-queries-received-ipv6: 609792483 dns-tcp-queries-received-ipv4: 186082395 dns-tcp-queries-received-ipv6: 10633246 dns-udp-responses-sent-ipv4: 5837544427 dns-udp-responses-sent-ipv6: 613787838 dns-tcp-responses-sent-ipv4: 163922062 dns-tcp-responses-sent-ipv6: 10719903