--- version: rssac002v3 service: j.root-servers.net start-period: '2020-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7834587411 dns-udp-queries-received-ipv6: 1174974856 dns-tcp-queries-received-ipv4: 640538525 dns-tcp-queries-received-ipv6: 87966303 dns-udp-responses-sent-ipv4: 7311464903 dns-udp-responses-sent-ipv6: 1165967617 dns-tcp-responses-sent-ipv4: 482651970 dns-tcp-responses-sent-ipv6: 87364011