--- service: j.root-servers.net start-period: '2016-03-29T00:00:00Z' end-period: '2016-03-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5873096504 dns-udp-queries-received-ipv6: 765056386 dns-tcp-queries-received-ipv4: 175585661 dns-tcp-queries-received-ipv6: 3002018 dns-udp-responses-sent-ipv4: 5591250958 dns-udp-responses-sent-ipv6: 767452424 dns-tcp-responses-sent-ipv4: 157073371 dns-tcp-responses-sent-ipv6: 317078