--- service: j.root-servers.net start-period: '2013-11-18T00:00:00Z' end-period: '2013-11-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2407335755 dns-udp-queries-received-ipv6: 143958691 dns-tcp-queries-received-ipv4: 24993059 dns-tcp-queries-received-ipv6: 3504615 dns-udp-responses-sent-ipv4: 2399418720 dns-udp-responses-sent-ipv6: 143920507 dns-tcp-responses-sent-ipv4: 20587839 dns-tcp-responses-sent-ipv6: 82562