--- service: j.root-servers.net start-period: '2014-06-09T00:00:00Z' end-period: '2014-06-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4108471075 dns-udp-queries-received-ipv6: 252767715 dns-tcp-queries-received-ipv4: 32717930 dns-tcp-queries-received-ipv6: 5751712 dns-udp-responses-sent-ipv4: 4102497429 dns-udp-responses-sent-ipv6: 252709223 dns-tcp-responses-sent-ipv4: 33054161 dns-tcp-responses-sent-ipv6: 2906872