--- service: j.root-servers.net start-period: '2016-09-28T00:00:00Z' end-period: '2016-09-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6434786025 dns-udp-queries-received-ipv6: 717704102 dns-tcp-queries-received-ipv4: 138877716 dns-tcp-queries-received-ipv6: 5902001 dns-udp-responses-sent-ipv4: 6305155932 dns-udp-responses-sent-ipv6: 719180568 dns-tcp-responses-sent-ipv4: 120953529 dns-tcp-responses-sent-ipv6: 4375322