--- service: j.root-servers.net start-period: '2015-05-12T00:00:00Z' end-period: '2015-05-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3378572797 dns-udp-queries-received-ipv6: 271285869 dns-tcp-queries-received-ipv4: 24544197 dns-tcp-queries-received-ipv6: 4900361 dns-udp-responses-sent-ipv4: 3316412199 dns-udp-responses-sent-ipv6: 271181836 dns-tcp-responses-sent-ipv4: 23941030 dns-tcp-responses-sent-ipv6: 3825451