--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6202117209 dns-udp-queries-received-ipv6: 1495013663 dns-tcp-queries-received-ipv4: 414415923 dns-tcp-queries-received-ipv6: 88011653 dns-udp-responses-sent-ipv4: 5806944865 dns-udp-responses-sent-ipv6: 1472303579 dns-tcp-responses-sent-ipv4: 283740001 dns-tcp-responses-sent-ipv6: 87870135