--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6240874565 dns-udp-queries-received-ipv6: 1393229952 dns-tcp-queries-received-ipv4: 419022929 dns-tcp-queries-received-ipv6: 52069363 dns-udp-responses-sent-ipv4: 5818864175 dns-udp-responses-sent-ipv6: 1385669739 dns-tcp-responses-sent-ipv4: 281011966 dns-tcp-responses-sent-ipv6: 51808271