--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5846467971 dns-udp-queries-received-ipv6: 1352129175 dns-tcp-queries-received-ipv4: 406961820 dns-tcp-queries-received-ipv6: 119706127 dns-udp-responses-sent-ipv4: 5514367674 dns-udp-responses-sent-ipv6: 1342495207 dns-tcp-responses-sent-ipv4: 313920582 dns-tcp-responses-sent-ipv6: 117921026