--- service: j.root-servers.net start-period: '2016-01-17T00:00:00Z' end-period: '2016-01-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3964294148 dns-udp-queries-received-ipv6: 523881079 dns-tcp-queries-received-ipv4: 80047379 dns-tcp-queries-received-ipv6: 1886656 dns-udp-responses-sent-ipv4: 3730879269 dns-udp-responses-sent-ipv6: 528236249 dns-tcp-responses-sent-ipv4: 71808219 dns-tcp-responses-sent-ipv6: 324213