--- service: j.root-servers.net start-period: '2017-01-22T00:00:00Z' end-period: '2017-01-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6094019982 dns-udp-queries-received-ipv6: 607648991 dns-tcp-queries-received-ipv4: 178303199 dns-tcp-queries-received-ipv6: 12757503 dns-udp-responses-sent-ipv4: 5866050226 dns-udp-responses-sent-ipv6: 611373105 dns-tcp-responses-sent-ipv4: 164918806 dns-tcp-responses-sent-ipv6: 12917747