--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5620297574 dns-udp-queries-received-ipv6: 1326349558 dns-tcp-queries-received-ipv4: 378463151 dns-tcp-queries-received-ipv6: 49415147 dns-udp-responses-sent-ipv4: 5233069141 dns-udp-responses-sent-ipv6: 1307480472 dns-tcp-responses-sent-ipv4: 249991417 dns-tcp-responses-sent-ipv6: 49252920