--- service: j.root-servers.net start-period: '2016-05-01T00:00:00Z' end-period: '2016-05-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5186721614 dns-udp-queries-received-ipv6: 654646838 dns-tcp-queries-received-ipv4: 129994461 dns-tcp-queries-received-ipv6: 3322839 dns-udp-responses-sent-ipv4: 4929725795 dns-udp-responses-sent-ipv6: 654936118 dns-tcp-responses-sent-ipv4: 114979904 dns-tcp-responses-sent-ipv6: 1303327