--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6110024798 dns-udp-queries-received-ipv6: 1439960815 dns-tcp-queries-received-ipv4: 401386720 dns-tcp-queries-received-ipv6: 107634112 dns-udp-responses-sent-ipv4: 5778375230 dns-udp-responses-sent-ipv6: 1429391662 dns-tcp-responses-sent-ipv4: 306971413 dns-tcp-responses-sent-ipv6: 105169019