--- service: j.root-servers.net start-period: '2017-01-27T00:00:00Z' end-period: '2017-01-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6092886690 dns-udp-queries-received-ipv6: 637587761 dns-tcp-queries-received-ipv4: 153757537 dns-tcp-queries-received-ipv6: 11741088 dns-udp-responses-sent-ipv4: 6001169467 dns-udp-responses-sent-ipv6: 641284978 dns-tcp-responses-sent-ipv4: 143079353 dns-tcp-responses-sent-ipv6: 11842456