--- service: j.root-servers.net start-period: '2017-02-17T00:00:00Z' end-period: '2017-02-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6651076001 dns-udp-queries-received-ipv6: 692421093 dns-tcp-queries-received-ipv4: 191097764 dns-tcp-queries-received-ipv6: 11924747 dns-udp-responses-sent-ipv4: 6531702261 dns-udp-responses-sent-ipv6: 695347417 dns-tcp-responses-sent-ipv4: 165101024 dns-tcp-responses-sent-ipv6: 12069244