--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6247175852 dns-udp-queries-received-ipv6: 1404468101 dns-tcp-queries-received-ipv4: 533048208 dns-tcp-queries-received-ipv6: 106497374 dns-udp-responses-sent-ipv4: 5691512293 dns-udp-responses-sent-ipv6: 1347687696 dns-tcp-responses-sent-ipv4: 360221440 dns-tcp-responses-sent-ipv6: 99739279