--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7522081764 dns-udp-queries-received-ipv6: 1603799938 dns-tcp-queries-received-ipv4: 723358154 dns-tcp-queries-received-ipv6: 225108330 dns-udp-responses-sent-ipv4: 6793868433 dns-udp-responses-sent-ipv6: 1410505395 dns-tcp-responses-sent-ipv4: 468443840 dns-tcp-responses-sent-ipv6: 131231356