--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5708622459 dns-udp-queries-received-ipv6: 1203278523 dns-tcp-queries-received-ipv4: 355898051 dns-tcp-queries-received-ipv6: 77049170 dns-udp-responses-sent-ipv4: 5353087604 dns-udp-responses-sent-ipv6: 1174864134 dns-tcp-responses-sent-ipv4: 250601006 dns-tcp-responses-sent-ipv6: 73551964