--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6848311088 dns-udp-queries-received-ipv6: 1447837428 dns-tcp-queries-received-ipv4: 641282261 dns-tcp-queries-received-ipv6: 104120724 dns-udp-responses-sent-ipv4: 6262680776 dns-udp-responses-sent-ipv6: 1441679707 dns-tcp-responses-sent-ipv4: 439908785 dns-tcp-responses-sent-ipv6: 103220342