--- service: j.root-servers.net start-period: '2016-07-23T00:00:00Z' end-period: '2016-07-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5298829336 dns-udp-queries-received-ipv6: 728820623 dns-tcp-queries-received-ipv4: 187456007 dns-tcp-queries-received-ipv6: 4751748 dns-udp-responses-sent-ipv4: 5229838593 dns-udp-responses-sent-ipv6: 731122384 dns-tcp-responses-sent-ipv4: 144818820 dns-tcp-responses-sent-ipv6: 1784831