--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6006056660 dns-udp-queries-received-ipv6: 1381345757 dns-tcp-queries-received-ipv4: 384140301 dns-tcp-queries-received-ipv6: 50598359 dns-udp-responses-sent-ipv4: 5608981265 dns-udp-responses-sent-ipv6: 1365228588 dns-tcp-responses-sent-ipv4: 258966721 dns-tcp-responses-sent-ipv6: 50217825