--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6012381083 dns-udp-queries-received-ipv6: 1468516198 dns-tcp-queries-received-ipv4: 413466630 dns-tcp-queries-received-ipv6: 132010455 dns-udp-responses-sent-ipv4: 5681729589 dns-udp-responses-sent-ipv6: 1457949550 dns-tcp-responses-sent-ipv4: 317581378 dns-tcp-responses-sent-ipv6: 129897461