--- service: j.root-servers.net start-period: '2017-02-13T00:00:00Z' end-period: '2017-02-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6534673834 dns-udp-queries-received-ipv6: 639462588 dns-tcp-queries-received-ipv4: 201176518 dns-tcp-queries-received-ipv6: 14382570 dns-udp-responses-sent-ipv4: 6366234141 dns-udp-responses-sent-ipv6: 639719622 dns-tcp-responses-sent-ipv4: 170438372 dns-tcp-responses-sent-ipv6: 14577083