--- service: j.root-servers.net start-period: '2016-06-23T00:00:00Z' end-period: '2016-06-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5932204800 dns-udp-queries-received-ipv6: 764169022 dns-tcp-queries-received-ipv4: 162288918 dns-tcp-queries-received-ipv6: 5380838 dns-udp-responses-sent-ipv4: 5807512690 dns-udp-responses-sent-ipv6: 765340554 dns-tcp-responses-sent-ipv4: 148133671 dns-tcp-responses-sent-ipv6: 2644634