--- service: j.root-servers.net start-period: '2016-07-09T00:00:00Z' end-period: '2016-07-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5805595344 dns-udp-queries-received-ipv6: 684715623 dns-tcp-queries-received-ipv4: 124312517 dns-tcp-queries-received-ipv6: 3923167 dns-udp-responses-sent-ipv4: 5680856349 dns-udp-responses-sent-ipv6: 688948160 dns-tcp-responses-sent-ipv4: 108996872 dns-tcp-responses-sent-ipv6: 798439