--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6409998826 dns-udp-queries-received-ipv6: 1379417220 dns-tcp-queries-received-ipv4: 496719202 dns-tcp-queries-received-ipv6: 100649581 dns-udp-responses-sent-ipv4: 5992254921 dns-udp-responses-sent-ipv6: 1376469646 dns-tcp-responses-sent-ipv4: 361320890 dns-tcp-responses-sent-ipv6: 100804208