--- service: j.root-servers.net start-period: '2015-08-04T00:00:00Z' end-period: '2015-08-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4794492349 dns-udp-queries-received-ipv6: 317930947 dns-tcp-queries-received-ipv4: 43670898 dns-tcp-queries-received-ipv6: 20140241 dns-udp-responses-sent-ipv4: 3687194239 dns-udp-responses-sent-ipv6: 318914195 dns-tcp-responses-sent-ipv4: 42505331 dns-tcp-responses-sent-ipv6: 22867894