--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7009108565 dns-udp-queries-received-ipv6: 1556583076 dns-tcp-queries-received-ipv4: 669887807 dns-tcp-queries-received-ipv6: 133459906 dns-udp-responses-sent-ipv4: 6390360622 dns-udp-responses-sent-ipv6: 1514368496 dns-tcp-responses-sent-ipv4: 452252454 dns-tcp-responses-sent-ipv6: 117673632