--- service: j.root-servers.net start-period: '2017-02-27T00:00:00Z' end-period: '2017-02-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6491546831 dns-udp-queries-received-ipv6: 665657534 dns-tcp-queries-received-ipv4: 179761089 dns-tcp-queries-received-ipv6: 13546469 dns-udp-responses-sent-ipv4: 6369539835 dns-udp-responses-sent-ipv6: 667810423 dns-tcp-responses-sent-ipv4: 154524949 dns-tcp-responses-sent-ipv6: 13699356