--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6982460805 dns-udp-queries-received-ipv6: 1467940295 dns-tcp-queries-received-ipv4: 572330145 dns-tcp-queries-received-ipv6: 97762745 dns-udp-responses-sent-ipv4: 6439716892 dns-udp-responses-sent-ipv6: 1456669672 dns-tcp-responses-sent-ipv4: 395095187 dns-tcp-responses-sent-ipv6: 94453677