--- service: j.root-servers.net start-period: '2016-12-22T00:00:00Z' end-period: '2016-12-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6184161833 dns-udp-queries-received-ipv6: 628669011 dns-tcp-queries-received-ipv4: 202819372 dns-tcp-queries-received-ipv6: 11181727 dns-udp-responses-sent-ipv4: 6044250780 dns-udp-responses-sent-ipv6: 633009462 dns-tcp-responses-sent-ipv4: 178523995 dns-tcp-responses-sent-ipv6: 11233745