--- version: rssac002v3 service: j.root-servers.net start-period: '2018-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5811175324 dns-udp-queries-received-ipv6: 781854127 dns-tcp-queries-received-ipv4: 434975135 dns-tcp-queries-received-ipv6: 66060636 dns-udp-responses-sent-ipv4: 5427609257 dns-udp-responses-sent-ipv6: 741823926 dns-tcp-responses-sent-ipv4: 275440154 dns-tcp-responses-sent-ipv6: 44016723