--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6970550694 dns-udp-queries-received-ipv6: 1435654584 dns-tcp-queries-received-ipv4: 621771390 dns-tcp-queries-received-ipv6: 103805372 dns-udp-responses-sent-ipv4: 6403448081 dns-udp-responses-sent-ipv6: 1424084720 dns-tcp-responses-sent-ipv4: 419538139 dns-tcp-responses-sent-ipv6: 99814690