--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6231806535 dns-udp-queries-received-ipv6: 1381320232 dns-tcp-queries-received-ipv4: 400593647 dns-tcp-queries-received-ipv6: 58227434 dns-udp-responses-sent-ipv4: 5822887990 dns-udp-responses-sent-ipv6: 1374001986 dns-tcp-responses-sent-ipv4: 270494069 dns-tcp-responses-sent-ipv6: 57925763