--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6202666270 dns-udp-queries-received-ipv6: 1415616509 dns-tcp-queries-received-ipv4: 402030069 dns-tcp-queries-received-ipv6: 50330393 dns-udp-responses-sent-ipv4: 5801051451 dns-udp-responses-sent-ipv6: 1393471836 dns-tcp-responses-sent-ipv4: 269696066 dns-tcp-responses-sent-ipv6: 50113220