--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7103284839 dns-udp-queries-received-ipv6: 1518433850 dns-tcp-queries-received-ipv4: 656230693 dns-tcp-queries-received-ipv6: 138085825 dns-udp-responses-sent-ipv4: 6491479704 dns-udp-responses-sent-ipv6: 1506619236 dns-tcp-responses-sent-ipv4: 451928357 dns-tcp-responses-sent-ipv6: 134313115