--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6042114190 dns-udp-queries-received-ipv6: 1468280171 dns-tcp-queries-received-ipv4: 420489450 dns-tcp-queries-received-ipv6: 99621773 dns-udp-responses-sent-ipv4: 5537626283 dns-udp-responses-sent-ipv6: 1437015061 dns-tcp-responses-sent-ipv4: 298000137 dns-tcp-responses-sent-ipv6: 97987208