--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5832933472 dns-udp-queries-received-ipv6: 1389087027 dns-tcp-queries-received-ipv4: 373695137 dns-tcp-queries-received-ipv6: 47442564 dns-udp-responses-sent-ipv4: 5436860963 dns-udp-responses-sent-ipv6: 1371764040 dns-tcp-responses-sent-ipv4: 251249247 dns-tcp-responses-sent-ipv6: 47282367