--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6351214151 dns-udp-queries-received-ipv6: 1445242531 dns-tcp-queries-received-ipv4: 628654137 dns-tcp-queries-received-ipv6: 166549391 dns-udp-responses-sent-ipv4: 5813606300 dns-udp-responses-sent-ipv6: 1440201905 dns-tcp-responses-sent-ipv4: 433327847 dns-tcp-responses-sent-ipv6: 174347952