--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6389811589 dns-udp-queries-received-ipv6: 1230287454 dns-tcp-queries-received-ipv4: 587318741 dns-tcp-queries-received-ipv6: 92664661 dns-udp-responses-sent-ipv4: 5861565252 dns-udp-responses-sent-ipv6: 1226917910 dns-tcp-responses-sent-ipv4: 400995176 dns-tcp-responses-sent-ipv6: 92704296