--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6358853920 dns-udp-queries-received-ipv6: 1275735607 dns-tcp-queries-received-ipv4: 619692008 dns-tcp-queries-received-ipv6: 113742132 dns-udp-responses-sent-ipv4: 5802860891 dns-udp-responses-sent-ipv6: 1249746042 dns-tcp-responses-sent-ipv4: 418252368 dns-tcp-responses-sent-ipv6: 105791509