--- service: j.root-servers.net start-period: '2016-09-02T00:00:00Z' end-period: '2016-09-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6571552952 dns-udp-queries-received-ipv6: 759846195 dns-tcp-queries-received-ipv4: 163679964 dns-tcp-queries-received-ipv6: 4996801 dns-udp-responses-sent-ipv4: 6463005903 dns-udp-responses-sent-ipv6: 761708193 dns-tcp-responses-sent-ipv4: 137211339 dns-tcp-responses-sent-ipv6: 3104053