--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6230125730 dns-udp-queries-received-ipv6: 1404331478 dns-tcp-queries-received-ipv4: 421142048 dns-tcp-queries-received-ipv6: 50485444 dns-udp-responses-sent-ipv4: 5805384029 dns-udp-responses-sent-ipv6: 1395651201 dns-tcp-responses-sent-ipv4: 279769124 dns-tcp-responses-sent-ipv6: 49778158