--- service: j.root-servers.net start-period: '2016-07-13T00:00:00Z' end-period: '2016-07-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6407262948 dns-udp-queries-received-ipv6: 761747047 dns-tcp-queries-received-ipv4: 178157139 dns-tcp-queries-received-ipv6: 4953906 dns-udp-responses-sent-ipv4: 6278272861 dns-udp-responses-sent-ipv6: 766074209 dns-tcp-responses-sent-ipv4: 144407191 dns-tcp-responses-sent-ipv6: 1618959