--- service: j.root-servers.net start-period: '2016-05-22T00:00:00Z' end-period: '2016-05-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6552661893 dns-udp-queries-received-ipv6: 701448053 dns-tcp-queries-received-ipv4: 197897037 dns-tcp-queries-received-ipv6: 3224210 dns-udp-responses-sent-ipv4: 6329940570 dns-udp-responses-sent-ipv6: 700479254 dns-tcp-responses-sent-ipv4: 154225541 dns-tcp-responses-sent-ipv6: 605184