--- service: j.root-servers.net start-period: '2015-11-29T00:00:00Z' end-period: '2015-11-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4054596096 dns-udp-queries-received-ipv6: 540714675 dns-tcp-queries-received-ipv4: 77853021 dns-tcp-queries-received-ipv6: 1836385 dns-udp-responses-sent-ipv4: 3771992971 dns-udp-responses-sent-ipv6: 545076256 dns-tcp-responses-sent-ipv4: 76329777 dns-tcp-responses-sent-ipv6: 308113