--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6892070946 dns-udp-queries-received-ipv6: 1459090720 dns-tcp-queries-received-ipv4: 613491032 dns-tcp-queries-received-ipv6: 109997207 dns-udp-responses-sent-ipv4: 6313788606 dns-udp-responses-sent-ipv6: 1446888810 dns-tcp-responses-sent-ipv4: 429556870 dns-tcp-responses-sent-ipv6: 105983110